{"title":"Hot Sale","description":"","products":[{"product_id":"doukaudibestseller.com-nobsound-ns-10g-mini-bluetooth-5-0-digital-amplifier-hifi-stereo-audio-bass-amp-50w-50w","title":"Nobsound NS-10G Mini Bluetooth 5.0 Digital Amplifier HiFi Stereo Audio Bass Amp 50W+50W","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFeatures:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" id=\"pastingspan1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eWith AUX \/ USB \/ Bluetooth audio input, Bluetooth 5.0 input achieves much faster and more stable transmission, USB input has no need for driver, plug-and-\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eplay; compatible with most home audio devices such as ipod, phone, tablet, computer, CD player and so on.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMax output power can reach 100W (50W * 2) with the upgraded chip TPA3116, HiFi clear sound, no audible noise even at high power output.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBass button is specially designed to amplify bass effects, providing shocking listening experience just like in the cinema.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMini size with exquisite appearance, aluminum case looks attractive and durable, very suitable for home and desktop audio system use. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eParameters:\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBluetooth standard protocol: Bluetooth 5.0 + EDR\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRated power: 50W × 2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eInput Interface: Bluetooth, USB, AUX\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eOperating mode: \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ebutton\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAmplifier chip: American TI Texas Instruments TPA3116\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePower input: DC9V-24V \/ 3A or above\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eDimensions(W*D*H) (\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eExcluding protrusions)\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e: 80*53\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e*\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e22mm (3.15*2.09\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e*\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e0.87 in)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eNet Weight: 105 grams\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \/ 0.23lb\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage Weight: 300g \/ 0.66lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePacking List:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1× NS-10G Amplifier\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1× Power Adapter(Optional)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1× 3.5mm Audio Cable\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1× RCA cable\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1× USB Cable\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1×\u003cspan data-mce-fragment=\"1\"\u003e Manual\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"With Power Supply \/ Black \/ US","offer_id":43052013650152,"sku":"DZ027H-US","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Black \/ UK","offer_id":47406472167656,"sku":"DZ027H-UK","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Black \/ EU","offer_id":47406472200424,"sku":"DZ027H-DE","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Black \/ AU","offer_id":47406472233192,"sku":"DZ027H-AU","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Black \/ Other","offer_id":47406472265960,"sku":"DZ027H","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Silver \/ US","offer_id":43052013715688,"sku":"DZ027S-US","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Silver \/ UK","offer_id":47406472298728,"sku":"DZ027S-UK","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Silver \/ EU","offer_id":47406472331496,"sku":"DZ027S-DE","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Silver \/ AU","offer_id":47406472364264,"sku":"DZ027S-AU","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Silver \/ Other","offer_id":47406472397032,"sku":"DZ027S","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Red \/ US","offer_id":43052013781224,"sku":"DZ027R-US","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Red \/ UK","offer_id":47406472429800,"sku":"DZ027R-UK","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Red \/ EU","offer_id":47406472462568,"sku":"DZ027R-DE","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Red \/ AU","offer_id":47406472495336,"sku":"DZ027R-AU","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Red \/ Other","offer_id":47406472528104,"sku":"DZ027R","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Gold \/ US","offer_id":43052013846760,"sku":"DZ027G-US","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Gold \/ UK","offer_id":47406472560872,"sku":"DZ027G-UK","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Gold \/ EU","offer_id":47406472593640,"sku":"DZ027G-DE","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Gold \/ AU","offer_id":47406472626408,"sku":"DZ027G-AU","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Gold \/ Other","offer_id":47406472659176,"sku":"DZ027G","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Blue \/ US","offer_id":43052013912296,"sku":"DZ027B-US","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Blue \/ UK","offer_id":47406472691944,"sku":"DZ027B-UK","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Blue \/ EU","offer_id":47406472724712,"sku":"DZ027B-DE","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Blue \/ AU","offer_id":47406472757480,"sku":"DZ027B-AU","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Blue \/ Other","offer_id":47406472790248,"sku":"DZ027B","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Black \/ US","offer_id":43052013682920,"sku":"DZ026H-US","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Black \/ UK","offer_id":47406472823016,"sku":"DZ026H-UK","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Black \/ EU","offer_id":47406472855784,"sku":"DZ026H-DE","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Black \/ AU","offer_id":47406472888552,"sku":"DZ026H-AU","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Black \/ Other","offer_id":47406472921320,"sku":"DZ026H","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Silver \/ US","offer_id":43052013748456,"sku":"DZ026S-US","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Silver \/ UK","offer_id":47406472954088,"sku":"DZ026S-UK","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Silver \/ EU","offer_id":47406472986856,"sku":"DZ026S-DE","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Silver \/ AU","offer_id":47406473019624,"sku":"DZ026S-AU","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Silver \/ Other","offer_id":47406473052392,"sku":"DZ026S","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Red \/ US","offer_id":43052013813992,"sku":"DZ026R-US","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Red \/ UK","offer_id":47406473085160,"sku":"DZ026R-UK","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Red \/ EU","offer_id":47406473117928,"sku":"DZ026R-DE","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Red \/ AU","offer_id":47406473150696,"sku":"DZ026R-AU","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Red \/ Other","offer_id":47406473183464,"sku":"DZ026R","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Gold \/ US","offer_id":43052013879528,"sku":"DZ026G-US","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Gold \/ UK","offer_id":47406473216232,"sku":"DZ026G-UK","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Gold \/ EU","offer_id":47406473249000,"sku":"DZ026G-DE","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Gold \/ AU","offer_id":47406473281768,"sku":"DZ026G-AU","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Gold \/ Other","offer_id":47406473314536,"sku":"DZ026G","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Blue \/ US","offer_id":43052013945064,"sku":"DZ026B-US","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Blue \/ UK","offer_id":47406473347304,"sku":"DZ026B-UK","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Blue \/ EU","offer_id":47406473380072,"sku":"DZ026B-DE","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Blue \/ AU","offer_id":47406473412840,"sku":"DZ026B-AU","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Blue \/ Other","offer_id":47406473445608,"sku":"DZ026B","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/DZ027-N_3.jpg?v=1652247058"},{"product_id":"doukaudibestseller.com-nobsound-ns-15g-mini-bluetooth-5-0-digital-amplifier-receiver-tpa3116-stereo-audio-amp-100w-100w","title":"Nobsound NS-15G Mini Bluetooth 5.0 Digital Amplifier Receiver TPA3116 Stereo Audio Amp 100W+100W","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cstrong\u003eFeatures\u003c\/strong\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTone off design and HiFi clear sound: more delicate and smooth sound can be enjoyed by adjusting treble \/ bass knob, presenting music with rousing highs and deep lows,  also with bypass function to enjoy original sound.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eStrong compatibility and large output power: besides RCA, with Bluetooth 5.0 input supports up to 50ft connection range, stable and low delay. 2PCS TPA3116 chip, max output power can reach 200W, comes with 19V power supply, can drive 200W (8Ω) or 300W(4Ω) speakers.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eUnique design in appearance and technology: AUX \/ Bluetooth switch with red \/ blue indicator; pure integrated aluminum case and knob with multiprocess fine treatment, CNC precision cutting ; curved smooth edges highlights its unibody design; metal DC outlet, no electric sparks flying.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMini size and easy use but powerful and practical: with perfect protection circuit, perfectly suitable for desktop or a smaller space in home or office, easy to connect to your audio system, especially designed for the audiophiles who pursue HiFi sound.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cstrong\u003eParameters\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBrand: Nobsound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eModel: NS-15G\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNumber of channel: 2.0\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio input:  Bluetooth \/ stereo L\/R RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio ouput: banana speaker jacks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAmp chip: TPA3116D2 ×2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMax. output power: 100W+100W (above 24V@8A \/ 4Ω)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOutput impedance: 4Ω-8Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTreble and bass range: ±10dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTone bypass function: support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFrequency range: 18Hz-25kHz\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTHD: ≤ 0.01%\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSNR: ≥ 98dB\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eInput sensitivity: 1.1V\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMatched speakers: 3-10 inch 20-200W\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: DC 12V-24V\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 92*108*30mm \/ 3.62*4.25*1.18in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage dimensions(W*D*H): 150*150*50mm \/ 5.91*5.91*1.97in \u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 320g \/ 0.71lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage weight: 900g \/ 1.98lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1× NS-15G Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1× 19V Power Supply\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1× User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"Without Power Adapter \/ US","offer_id":47198624678120,"sku":"DZ036-DJ-US","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ UK","offer_id":47406474363112,"sku":"DZ036-DJ-UK","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ EU","offer_id":47406474395880,"sku":"DZ036-DJ-DE","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ AU","offer_id":47406474428648,"sku":"DZ036-DJ-AU","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ Other","offer_id":47406474461416,"sku":"DZ036-DJ","price":49.99,"currency_code":"USD","in_stock":true},{"title":"With 19V\/4.74A Power Adapter \/ US","offer_id":47198624710888,"sku":"DZ036-19V-US","price":59.99,"currency_code":"USD","in_stock":true},{"title":"With 19V\/4.74A Power Adapter \/ UK","offer_id":47406474494184,"sku":"DZ036-19V-UK","price":59.99,"currency_code":"USD","in_stock":true},{"title":"With 19V\/4.74A Power Adapter \/ EU","offer_id":47406474526952,"sku":"DZ036-19V-DE","price":59.99,"currency_code":"USD","in_stock":true},{"title":"With 19V\/4.74A Power Adapter \/ AU","offer_id":47406474559720,"sku":"DZ036-19V-AU","price":59.99,"currency_code":"USD","in_stock":true},{"title":"With 19V\/4.74A Power Adapter \/ Other","offer_id":47406474592488,"sku":"DZ036-19V","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/DZ036-2023_4.jpg?v=1679363584"},{"product_id":"doukaudibestseller.com-nobsound-g2-mini-100w-mono-channel-digital-amplifier-subwoofer-full-frequency-power-amp-for-home-stereos","title":"Nobsound G2 Mini 100W Mono Channel Digital Amplifier Subwoofer\/Full-Frequency Power Amp for Home Stereos","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e A WORKING MODE SWITCHER:\u003c\/strong\u003e convenient to use it as subwoofer bass amplifier or full frequency amp, and you can use two Nobsound G2 to drive left and right channel independently, and the mutual interference between the channels is suppressed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGAIN CONTROL:\u003c\/strong\u003e a gain switch on the bottom of the amplifier to allow 4-level of output level setting (20\/26\/32\/36 dB), to keep the sound quality better and not affected by the the resistor part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHIGH-END MATERIALS AND LARGE POWER:\u003c\/strong\u003e Texas Instruments TPA3116 chip, NE5532 op-amp to guarantee no audible noise, 100Wx 1 @4ohm mono channel amp can drive most home passive speaker or subwoofer, bringing HiFi listening experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEXCELLENT CORCUIT AND APPEARANCE DESGIN:\u003c\/strong\u003e built-in speakers protection circuit, solid aluminum chassis for long time use; built-in low pass filter for subwoofers with sub frequency control, small simple compact design but practical and powerful.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" id=\"pastingspan1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSpecification\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable data-mce-fragment=\"1\" cellspacing=\"0\" border=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"170\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMax Power\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"141\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e100W*1 2Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"94\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFull frequency response\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"245\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e20Hz-20kHz(±3dB)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"170\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe speaker matches the impedance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"141\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2-8Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"94\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eT\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eHD\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"245\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eO\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eutput \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e1W@ 0.03%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"170\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking Voltage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"141\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDC12-24V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"94\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSNR\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"245\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e≥106dB\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"170\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eInput sensitivity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"141\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e0.775V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"94\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimension\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"245\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eD118.5*W98*H33MM\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"170\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBass cutoff frequency range adjustment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"141\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e40-300\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eHz\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"94\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eW\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eeight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"245\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e0.36KG\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"170\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSlope of bass attenuation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"141\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e-12\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003edB Slope\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"94\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eP\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eackage Size\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"245\" valign=\"top\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eD257*W215*H65MM\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1× Power Amplifier\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1× Power Supply \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"Without Power Adapter \/ US","offer_id":47198612127976,"sku":"DZ056-DJ-US","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ UK","offer_id":47406476591336,"sku":"DZ056-DJ-UK","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ EU","offer_id":47406476624104,"sku":"DZ056-DJ-DE","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ AU","offer_id":47406476656872,"sku":"DZ056-DJ-AU","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ Other","offer_id":47406476689640,"sku":"DZ056-DJ","price":46.99,"currency_code":"USD","in_stock":true},{"title":"With 19V Power Adapter \/ US","offer_id":47198612160744,"sku":"DZ056-19V-US","price":49.99,"currency_code":"USD","in_stock":true},{"title":"With 19V Power Adapter \/ UK","offer_id":47406476722408,"sku":"DZ056-19V-UK","price":49.99,"currency_code":"USD","in_stock":true},{"title":"With 19V Power Adapter \/ EU","offer_id":47406476755176,"sku":"DZ056-19V-DE","price":49.99,"currency_code":"USD","in_stock":true},{"title":"With 19V Power Adapter \/ AU","offer_id":47406476787944,"sku":"DZ056-19V-AU","price":49.99,"currency_code":"USD","in_stock":true},{"title":"With 19V Power Adapter \/ Other","offer_id":47406476820712,"sku":"DZ056-19V","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/4_2e3766dc-8fdc-4021-9869-d9b65331156d.jpg?v=1651108499"},{"product_id":"nobsound-p1-hifi-bluetooth-5-0-ge5654-vacuum-tube-preamp-usb-dac-amp-stereo-receiver-aptx-hd","title":"Douk Audio P1 HiFi Bluetooth 5.0 Vacuum Tube Preamp USB DAC Stereo Headphone Amplifier APTX-HD","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWith 3 kinds of audio input(Bluetooth\/USB\/RCA) and 2 kinds of output(RCA\/3.5mm headphone), P1 can be used as HiFi tube Preamp, USB DAC or headphone amp with HiFi clear, warm, dynamic, sweet tube sound, bringing extremely high-quality listening experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBluetooth 5.0 (QCC3034) supporting APTX-HD lossless transmission. PC-USB (CM6642) supporting 24bit 192KHz and compatible with Windows\/Mac\/Linux system, matching well with many audio devices such as iPod, Phone, MP3 players, TV, Blu-ray players, Echo Dot, CD players, etc. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAdopting NE5532 op amp+classic 47 headphone amp architecture which can drive 32-300 ohms headphones, and a bypass switch is specially designed to turn on\/off the tone control, more convenient to enjoy original sound or obtain more delicate sound with treble and bass control knob, adding much fun and higher playability. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExquisite appearance with proper size, blue and orange light decorating vacuum tube, makes it fashionable and attractive, bringing wonderful auditory and visual enjoyment, very suitable for home and desktop audio system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eChip Architecture: CM6642+QCC3034+NE5532+classic 47 \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePC-USB Input Sampling Frequency: 192K\/24Bit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTHD: 0.01%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePC-USB System: supported XP\/W7\/W8\/W10\/MAC\/Linux\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBluetooth VER: 5.0\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHeadphone matching impedance: 32-300Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSNR: 103dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHeadphone Max power output: 160mW 32Ω load\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: DC12V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBass \u0026amp; Treble Range: ±6dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eProduct Dimension: 180*118*36mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRCA output level: 2.3V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFrequency Range: 20Hz-20kHz(±3dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage Dimension: 240*210*60mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eProduct Weight: 0.47kg\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*P1 Preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2*JAN5725 Tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*DC 12V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*USB Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Bluetooth Antenna \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406480195816,"sku":"DZ066-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406480228584,"sku":"DZ066-UK","price":89.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406480261352,"sku":"DZ066-DE","price":89.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406480294120,"sku":"DZ066-AU","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406480326888,"sku":"DZ066","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/4_6c9fd34d-07b6-41b2-ba86-3467f9b6ff4d.jpg?v=1744601652"},{"product_id":"doukaudibestseller.com-douk-audio-m1-pro-hifi-bluetooth-5-0-digital-amplifier-desktop-stereo-amp-usb-player-160w-2","title":"Douk Audio M1 PRO HiFi Bluetooth 5.0 Digital Amplifier Desktop Stereo Amp USB Player 160W×2","description":"\u003cdiv id=\"pastingspan1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003eUsing classic TDA7498E chip, max output power can reach 160W + 160W, equipped with high-quality 32V\/5A power supply enough to drive above 300W passive speakers. It has a good match with outdoor\/ bookshelf\/ computer\/ desktop \/ceiling \/floor standing speakers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eM1 PRO supports stereo RCA and Bluetooth 5.0 input, compatible with phones, computers, TVs, MP3 players, TV, Echo Dot, CD players etc. It is also a digital music player with U-disk input supporting MP3, WAV, APE, FLAC and WMA lossless formats.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eA low frequency output is specially designed to connect active speakers and the bass effects can be strongly enhanced. The sound is more delicate with treble and bass control, the shocking auditory effects make you feel like in the cinema.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eReasonable circuit layout and concise wiring to ensure HiFi clear and clean sound, no audible noise even at high power output.\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eAdd a Bluetooth reset button, supporting one click to clear all devices paired, easy to restart and connect the new devices to the Bluetooth input of M1 pro.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMini size with exquisite appearance, aluminum alloy case and gold-plated terminals are fashionable and durable, with input switch and indicator, very suitable for home and desktop audio system use.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli\u003eModel: M1 PRO\u003c\/li\u003e\n\u003cli\u003eChannel: 2.0\u003c\/li\u003e\n\u003cli\u003eAudio input: Bluetooth\/RCA\/U-disk\u003c\/li\u003e\n\u003cli\u003eAudio output: banana speaker jacks \/ low frequency signal (connect active subwoofers)\u003c\/li\u003e\n\u003cli\u003eSupport format: MP3, WMA, APE, FLAC, WAV\u003c\/li\u003e\n\u003cli\u003eU-disk capacity: max 32G\u003c\/li\u003e\n\u003cli\u003eBluetooth version: 5.0\u003c\/li\u003e\n\u003cli\u003eSpeaker impedance: 4-8Ω\u003c\/li\u003e\n\u003cli\u003eMax output power: 160W * 2 (4Ω load)\u003c\/li\u003e\n\u003cli\u003eSNR: ≥98dB\u003c\/li\u003e\n\u003cli\u003eInput sensitivity: 0.775V\u003c\/li\u003e\n\u003cli\u003eTHD: 0.05%(1kHz 1W)\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 20Hz-20KHz(±3dB)\u003c\/li\u003e\n\u003cli\u003eWorking voltage: DC 19-35V\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eDimensions(L*W*H): 128*117*35mm \/ 5.04*4.61*1.38in\u003c\/li\u003e\n\u003cli\u003eNet weight: 512g \/ 1.13lb\u003c\/li\u003e\n\u003cli\u003ePackage weight: 1.2kg \/ 2.65lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e1 * M1 PRO Amplifier\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e1 * 32V\/5A Power Supply\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e1 * Bluetooth Antenna\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47198613012712,"sku":"DZ071-32V-US","price":79.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406481375464,"sku":"DZ071-32V-UK","price":79.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406481408232,"sku":"DZ071-32V-DE","price":79.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406481441000,"sku":"DZ071-32V-AU","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406481473768,"sku":"DZ071-32V","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_870ae054-a6b9-4846-bd71-3e6642cda123.jpg?v=1724826741"},{"product_id":"doukaudibestseller.com-nobsound-g2-pro-mini-300w-mono-digital-power-amplifier-subwoofer-full-frequency-home-audio-amp","title":"Nobsound G2 PRO Mini 300W Mono Digital Power Amplifier Subwoofer\/Full-Frequency Home Audio Amp","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv style=\"text-align: left;\" id=\"pastingspan1\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli\u003eWith PBTL\/SUB switch: convenient to use G2 PRO as full frequency amp or subwoofer amp, a SUB output is specially designed for active subwoofer. G2 PRO can connect to \u003cspan\u003eboth \u003c\/span\u003epassive and active subwoofers. And two G2 PRO can be used to drive left and right channel independently to avoid mutual interference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eMax 300W output power: \u003cspan\u003eusing TPA3255D2 amp chip and \u003c\/span\u003eequipped with 32V\/5A large power supply, enough to drive 320W passive speakers or subwoofers. It also has a good match with outdoor\/ bookshelf\/ computer\/ desktop \/ceiling \/floor standing speakers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eBest design and HiFi sound: with \u003c\/span\u003ea gain switch to allow 2-level of output level setting (32\/36 dB) and \u003cspan\u003eSUB frequency adjustment (40-300Hz). It also has\u003c\/span\u003e \u003cspan\u003ebuilt-in speaker protection circuit, low-pass filter to guarantee no audible noise even at high power output, SUB signal and amp can output at the same time to bring HiFi listening experience.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eMini size with exquisite appearance: mono integrated class D amplifier, simple compact design but with powerful function, more fashionable and durable solid aluminum chassis, very suitable for HiFi home and desktop audio system use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv style=\"text-align: left;\" id=\"pastingspan1\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv align=\"center\"\u003e\n\u003ctable border=\"1\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"180\"\u003e\n\u003cp\u003e\u003cspan\u003eMax Power\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"84\"\u003e\n\u003cp\u003e\u003cspan\u003e300W\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan\u003eFull frequency response\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"120\"\u003e\n\u003cp\u003e\u003cspan\u003e20Hz-20kHz(±3dB)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan\u003eThe speaker matches the impedance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"84\"\u003e\n\u003cp\u003e\u003cspan\u003e4-8Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan\u003eTHD\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"120\"\u003e\n\u003cp\u003e\u003cspan\u003eOutput 1W @ 0.03%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan\u003eWorking Voltage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"84\"\u003e\n\u003cp\u003e\u003cspan\u003eDC24-48V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan\u003eSNR\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"120\"\u003e\n\u003cp\u003e\u003cspan\u003e≥106dB\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan\u003eInput sensitivity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"84\"\u003e\n\u003cp\u003e\u003cspan\u003e0.775V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan\u003eProduct Dimension\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"120\"\u003e\n\u003cp\u003e\u003cspan\u003eL127*W118*H35MM\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan\u003eBass cutoff frequency range adjustment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"84\"\u003e\n\u003cp\u003e\u003cspan\u003e40-300Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan\u003eNet Weight\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"120\"\u003e\n\u003cp\u003e\u003cspan\u003e0.5kG\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"top\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan\u003eSlope of bass attenuation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"84\"\u003e\n\u003cp\u003e\u003cspan\u003e-12dB Slope\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"156\"\u003e\n\u003cp\u003e\u003cspan\u003ePackage Size\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" width=\"120\"\u003e\n\u003cp\u003e\u003cspan\u003eL257*W215*H65MM\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e1* G2 PRO Mono Power Amplifier\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e1* 32V\/5A Power Supply\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"Without Power Adapter \/ US","offer_id":47198614651112,"sku":"DZ072-DJ-US","price":64.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ UK","offer_id":47406481572072,"sku":"DZ072-DJ-UK","price":64.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ EU","offer_id":47406481604840,"sku":"DZ072-DJ-DE","price":64.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ AU","offer_id":47406481637608,"sku":"DZ072-DJ-AU","price":64.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Adapter \/ Other","offer_id":47406481670376,"sku":"DZ072-DJ","price":64.99,"currency_code":"USD","in_stock":true},{"title":"With 32V5A Power Adapter \/ US","offer_id":47198614683880,"sku":"DZ072-32V-US","price":79.99,"currency_code":"USD","in_stock":true},{"title":"With 32V5A Power Adapter \/ UK","offer_id":47406481703144,"sku":"DZ072-32V-UK","price":79.99,"currency_code":"USD","in_stock":true},{"title":"With 32V5A Power Adapter \/ EU","offer_id":47406481735912,"sku":"DZ072-32V-DE","price":79.99,"currency_code":"USD","in_stock":true},{"title":"With 32V5A Power Adapter \/ AU","offer_id":47406481768680,"sku":"DZ072-32V-AU","price":79.99,"currency_code":"USD","in_stock":true},{"title":"With 32V5A Power Adapter \/ Other","offer_id":47406481801448,"sku":"DZ072-32V","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/DZ072_5.jpg?v=1651108090"},{"product_id":"nobsound-t3-pro-mm-phono-stage-preamp-mini-stereo-vacuum-tube-preamplifier","title":"Douk Audio T3 PRO Mini Tube MM Phono Stage Preamp for Home Turntables HiFi Stereo Audio Preamplifier","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWith MM signal input and 3.5mm AUX input(with priority), can be used as a MM phono preamp and a tube preamp, compatible with many audio devices such as MM record player, phone,TV, MP3 players, CD players, DAC, computers etc. to satisfy different demands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReasonable curcuit layout and concise wiring to ensure HiFi clear sound with low noise, adopting 2PCS 6A2 vacuum tubes(can be replaced by 6K4 \/ 6J1 \/ 6J4 \/ GE5654 \/ 6AK5 \/ 6*1n) \u003cspan data-mce-fragment=\"1\"\u003eto make sound warm, dynamic and sweet, bringing extremely high-quality listening experience.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWith gain adjustment switch(OFF-39dB-42dB-45dB), convenient to match better with different audio signals, the front panel are machined with wire drawing and frosted technology, looks more fashionable and distinctive.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMini size with exquisite appearance, aluminum alloy chassis with better shielding performance and gold-plated terminals with lossless transmission, perfectly suitable for MM record players and other audio sources.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cstrong\u003eParameters\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio input: MM phono \/ 3.5mm AUX\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio output: stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOutput level: 600mV (3mV 1KHz)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eSNR:\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e≥98dB\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFrequency response: RIAA standard\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTHD: 0.1%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: DC12V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimensions(L*W*H): 117*95*30mm \/ 4.61*3.74*1.18 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 310g \/ 0.68lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage weight: 520g \/ 1.15lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e1*T3 PRO Preamp\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e2*6A2 Vacuum Tube\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e1*Power Supply\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*RCA Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong\u003eNotice:\u003c\/strong\u003e this is \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eonly a preamp, which needs to be used with amplifie\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ers or active speakers. \u003c\/span\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406529642728,"sku":"DZ075-US","price":59.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406529675496,"sku":"DZ075-UK","price":59.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406529708264,"sku":"DZ075-DE","price":59.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406529741032,"sku":"DZ075-AU","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406529773800,"sku":"DZ075","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/DZ075-newlogo_4.jpg?v=1703569153"},{"product_id":"nobsound-ns-01g-pro100w-mini-power-amplifier-digital-hifi-amp-with-usb-aux-bluetooth-input","title":"Nobsound NS-01G PRO Mini Bluetooth 5.0 Digital Amplifier USB Sound Card Stereo Audio Amp 50W+50W","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\" align=\"center\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" id=\"pastingspan1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWith Bluetooth 5.0 \/ USB \/ 3.5mm AUX audio input, compatible with most common audio device such as phone, tablet, computer, TV, CD player, decoder, preamp and so on.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBluetooth 5.0 wireless input achieves faster and more stable transmission, USB input plug and play, no need for any driver. Equipped with complete accessories, you can enjoy its powerful function at once when you receive it.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAdopting classical TPA3116 chip, the max output power is improved to 100W(50W*2) which can drive most home speakers. HiFi clear and delicate sound, no audible noise even at high power output.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSuper mini size with exquisite appearance, aluminum case of five colors (black\/silver\/gold\/blue\/red) for freely choose, can provide HiFi music and decorate your home or office, very suitable for home and desktop audio system use.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e30 days returning service and 3 months replacement service. 1 year warranty and life technical support. If you met any troubles or had any questions, please feel free to contact us.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cstrong\u003eParameters\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eColors: Black \/ Silver \/ Gold \/ Blue \/ Red \u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBluetooth Version: 5.0\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRated Power: 50W*2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eChannel: 2.0\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eImpedance: 4-8 ohms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eAudio input: Bluetooth \/ USB \/ 3.5mm \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eAUX \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio output: banana speaker jacks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePower Supply: DC 9V-24V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eDimensions: (L)78 * (W)70 * (H)38mm \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e(3.07 × 2.76 × 1.50 in)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet Weight: 154g \/ 0.34lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage Weight(Without power supply): 0.35kg \/ 0.77lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage Weight(With power supply): 0.45Kg \/ 0.99lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cstrong\u003ePacking List\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1× NS-01G Pro Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1× Power Supply(OPTIONAL)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1× AUX Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1× USB Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1× RCA Audio Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1×\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e Manual\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"With Power Supply \/ US","offer_id":43056721953000,"sku":"GFJ058H-US","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ UK","offer_id":47406547075304,"sku":"GFJ058H-UK","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ EU","offer_id":47406547108072,"sku":"GFJ058H-DE","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ AU","offer_id":47406547140840,"sku":"GFJ058H-AU","price":39.99,"currency_code":"USD","in_stock":true},{"title":"With Power Supply \/ Other","offer_id":47406547173608,"sku":"GFJ058H","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ US","offer_id":43056722116840,"sku":"GFJ059H-US","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ UK","offer_id":47406547730664,"sku":"GFJ059H-UK","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ EU","offer_id":47406547763432,"sku":"GFJ059H-DE","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ AU","offer_id":47406547796200,"sku":"GFJ059H-AU","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Without Power Supply \/ Other","offer_id":47406547828968,"sku":"GFJ059H","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_916acd5c-04d3-4ffc-a5c2-56b418714e36.jpg?v=1751938655"},{"product_id":"douk-audio-st-01-hifi-bluetooth-5-0-tube-amplifier-usb-dac-coax-opt-digital-audio-amp-w-vu-meter","title":"Douk Audio ST-01 PRO HiFi Bluetooth 5.0 Tube Amplifier USB DAC COAX\/OPT Digital Audio Amp w\/VU Meter","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"celwidget aplus-module module-4 aplus-standard\" data-csa-c-id=\"a9gpjw-tpg7yn-1xyrn2-rfu333\" data-cel-widget=\"aplus-module-4\"\u003e\n\u003cdiv data-a-expander-name=\"aplus-module-expander\" data-a-expander-collapsed-height=\"700\" class=\"a-expander-collapsed-height a-row a-expander-container a-expander-partial-collapse-container\"\u003e\n\u003cdiv aria-expanded=\"false\" class=\"a-expander-content a-expander-partial-collapse-content\"\u003e\n\u003cdiv class=\"aplus-module-wrapper apm-fixed-width\"\u003e\n\u003cdiv class=\"apm-spacing\"\u003e\n\u003cdiv class=\"apm-floatleft apm-fixed-width\"\u003e\n\u003cdiv class=\"apm-spacing\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003e\u003cspan\u003eWarm tips:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003e\u003cspan\u003eIn addition to retaining all the original functions, ST-01 PRO is the latest upgraded version of ST-01:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003e1. ST-01 PRO supports U-disk input to play lossless formats music.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003e2. Add sensitivity adjustment of VU meter on its bottom, easy to set and match better with different input signals.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003e3. Add three decorative golden circles around tubes and VU meter, looks more exquisite and luxury.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eUnique and amazing combination: integrated ST-01 PRO amplifier with VU meter into whole in such a mini size, the pointer dancing in the warm light with strong vintage feelings when enjoy HiFi music, dynamically decorates the audio system space. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eHiFi clear sound with tone control: resonable circuit and concise wiring, adopts vacuum tubes to soften the sound and filter out the digital feelings, sounds warm and sweet without noise. Also with treble and bass knobs to adjust one's own preferable sound styles, presents HiFi music with rousing highs and deep lows.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eStrong output power and special AUX output: use TI's classic power amp IC, each channel can output 100W(4Ω) and easily to drive all 3-8Ω passive speakers, adds 3.5mm AUX output easy to connect another amplifier or active speaker \/ subwoofer to build multiple channel system and enjoy wonderful home theater experience.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eWith multiple digital audio inputs: Bluetooth 5.0 \/ USB \/ Coaxial \/ Optical \/ stereo RCA, compatible with most audio device such as phones, computers, tablets, TVs, TV, CD players etc. The perfect combination of DAC and amplifier, very suitale for audiophiles who have various audio devices. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003ePractical functions to simplify use: with full-function remote control, all settings can be achieved from the distance; with input selection and indicators, clearly to show the working status in real time; aluminum alloy case is specially designed, cool and unique to decorate your desktop space.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eWarm tips:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e1. PC-USB input also supports mobile phones that with OTG functions, but Android system needs OTG cable and IOS system needs camera kit, please prepare by yourself. \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2. Pluggable tube socket, default 6K4 vacuum tubes, can be replaced by 6J1, 6J2, 6J3, 6J4, 6J5, 6\"1N, 6*4N, 6*5N, 5654\/5654W, 5725, 6AK5, EF95, 6BA6, 403B, etc.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e3.When the volume is turned down to minimum, the BT\/(USB) indicator will be flashing; and when to maximum, the PC-USB indicator will be flashing; At this time, the indicator of current input channel will go out but light on when the adjustment is stopped.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eModel: ST-01 PRO\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio input: Bluetooth \/ USB (PC-USB) \/ Coaxial \/ Optical \/ RCA \/ \u003cstrong\u003eU-disk (only ST-01 PRO supported)\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio output: Banana speaker jacks \/ 3.5mm AUX\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMax output power: 100W+100W (4Ω)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMatched impedance: 3-8Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSampling rate supported:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eUSB input: 96KHz\/24Bit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBluetooth input: 48KHz\/24Bit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCOAX\/OPT inputs: 192KHz\/24Bit    \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupported formats of U-disk: MP3 \/ WAV \/ WMA \/ FLAC \/ APE\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax capacity of U-disk: 64G\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTreble \/ Bass adjustment range: ±6dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSystem PC-USB supported: XP\/W7\/W8\/W10\/MAC\/ Linux\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency response: 20Hz-20kHz(±1dB)    \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eS\/N ratio: ≥98dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTHD: 0.07%\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking voltage: DC 18-30V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDimensions(W*D*H): 115*98*54mm \/ 4.53*3.86*2.13in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage dimensions(W*D*H): 295*225*85mm \/ 11.61*8.56*3.35in\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 661g \/ 1.46lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1.4kg \/ 3.09lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*ST-01 PRO Amplifier\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*DC 24V Power Adapter\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1*Remote Control (without 2*AAA batteries)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1*USB Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*Bluetooth Antenna\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47198668325096,"sku":"SUC-ST-01-PRO-24V-US","price":104.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406608285928,"sku":"SUC-ST-01-PRO-24V-UK","price":104.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406608318696,"sku":"SUC-ST-01-PRO-24V-DE","price":104.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406608351464,"sku":"SUC-ST-01-PRO-24V-AU","price":104.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406608384232,"sku":"SUC-ST-01-PRO-24V","price":104.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-ST-01-PRO_5.jpg?v=1728866904"},{"product_id":"douk-audio-t4-plus-hifi-5654-tube-phono-preamp-for-turntable-stereo-preamp-headphone-amp-w-vu-meter","title":"Douk Audio T4 PLUS HiFi Vaccum Tube Phono Preamp for Turntable Stereo Preamp Headphone Amp w\/VU Meter","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eUpgraded version [from 2022\/4\/18]: add a VU meter adjustment on the side panel, easily to adjust its sensitivity to match well with different input signals and achieve better visual effects of VU meter.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eT4 PLUS tube preamp meets more HiFi audio needs:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMM \/MC phono input, support multiple input impedance switch (1KΩ\/470Ω\/220Ω\/100Ω\/47Ω\/22Ω\/10Ω), converts phono signal to line level signal, low-noise integrated circuits and high-quality components to ensure clear sound.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e3.5mm AUX input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eUnique and amazing combination in the appearance: integrated T4 PLUS preamp with retro tubes and VU meter into a whole, the pointer dancing in the warm light with strong vintage feelings when enjoy HiFi music, dynamically decorates the audio system and give you a different acoustic enjoyment with large dynamic and sweet tube sound even in limited space.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eImported JAN5725 tubes and vintage warm sound: default comes with JAN5725 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6J1 series especially in human voice. Pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003e3.5mm headphone output and perfect circuit design: T4 PLUS also with built-in classic headphone amp circuit (2*NE5532), easily to drive 32-300 ohm headphones. Reasonable and advanced architecture, TI TPS5430+7205MOS for power management, TL071+JRC2068 phono preamp circuit etc., enjoy HiFi analog sound and first-class design with an unbeatable low cost. \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eMini size and excellent performance: all designs full of details, such as solid aluminum alloy knob, gold-plated terminals, grey integrated moulding aluminum alloy shell decorates with built-in VU meter, looks vintage and elegant. Not only a MM\/MC phono preamp, but also a stereo audio preamp and headphone amplifier, especially designed for the audiophiles who pursue HiFi sound.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003eWarm tips:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e1. 3.5mm AUX input with priority, please make sure the AUX cable has been pulled out if want to use MM\/MC phono input.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2. Stereo RCA and 3.5mm headphone jack can output at the same time, and the knob also controls the volume of two outputs simultaneously.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eModel: T4 PLUS\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio input: MM phono \/ turntable \/ 3.5mm AUX\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio output: stereo L\/R RCA \/ 3.5mm headphone jack\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMax output power of headphone jack: 150mW@32Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMatched headphone impedance: 32-300Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAUX IN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAUX input level: 0.775V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRCA max output level: 1.5V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFrequency response: 20Hz-20KHz (±0.3dB)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eS\/N ratio: ≥110dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTHD: 0.2%\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePhono IN\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePhono input level: 0.005V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRCA max output level: 300mV (MM) \/ 3V (MC)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFrequency response: conforms to RIAA characteristics (±3dB)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eS\/N ratio: 71dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTHD: 0.8%\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking voltage: DC 12V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDimensions(W*D*H): 50*137*146mm \/ 1.97*5.39*5.75in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage dimensions(W*D*H): 300*230*65mm \/ 11.81*9.06*2.56in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNet weight: 640g \/ 1.41lb\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1000g \/ 2.20lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cstrong\u003ePacking List\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*T4 PLUS Preamp\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e2*JAN5725 Vacuum Tube\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*DC 12V Power Adapter\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1*3.5mm to RCA Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406622933224,"sku":"SUC-T4-PLUS-US","price":109.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406622965992,"sku":"SUC-T4-PLUS-UK","price":109.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406622998760,"sku":"SUC-T4-PLUS-DE","price":109.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406623031528,"sku":"SUC-T4-PLUS-AU","price":109.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406623064296,"sku":"SUC-T4-PLUS","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/2_032e22cc-29bc-49db-9e6d-8849d2b5e133.jpg?v=1744356561"},{"product_id":"douk-audio-t4-pro-mini-5654-vacuum-tube-phono-preamp-home-stereo-audio-pre-amplifier-headphone-amp","title":"Douk Audio T4 PRO Mini GE5654 Vacuum Tube Phono Preamp Home Stereo Audio Pre-Amplifier Headphone Amp","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eIntroduction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eDouk Audio T4 PRO can be used as a MM phono preamp, a tube audio preamp and a headphone amplifier, powerful function in mini size, specially designed for various requirements of home\/desktop audio system.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eT4 PRO tube preamp meets more HiFi needs: \u003c\/span\u003eMM phono input, converts phono signal to line level signal, with low-nois integrated circuits and high-quality components to ensure clear and clean sound.3.5mm AUX input, amplify the low level audio signal from your phone, tablet, PC,MP3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eImported JAN5654 tubes and vintage warm sound: default comes with JAN5654 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6J1 series especially in human voice. Pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e3.5mm headphone output and perfect circuit design: T4PRO also with built-in classic headphone amp circuit(2*NE5532), easily to drive 32-300 ohm headphones. Reasonable and advanced architecture, TI TPS5430 for power management,  TL071+JRC2068 phono preamp circuit etc., enjoy HiFi analog sound and first-class design with an unbeatable low cost. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMini size and excellent performance: all designs full of details, solid aluminum knob, potentiometer for smooth multi-level gain adjustment, grey integrated moulding aluminum alloy shell decorates with special red tube cover and knob, looks vintage and elegant. Compact T4 PRO will give you a different acoustic enjoyment with large dynamic and sweet tube sound even in limited space.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWarm tips\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e3.5mm AUX input with priority, please make sure the AUX cable has been pulled out if want to use MM phono input.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eStereo RCA and 3.5mm headphone jack can output at the same time, and the knob also controls the volume of two outputs simultaneously.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eParameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eBrand: Douk Audio\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eModel: T4 PRO\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eAudio input: MM phono\/turntable \/ 3.5mm AUX\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eAudio output: stereo L\/R RCA \/ 3.5mm headphone jack\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eOutput level: 1.5V (input 0.775V)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eMax output power of headphone jack: 150mW@32Ω\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eMatched headphone impedance: 32-300Ω\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eInput sensitivity: 0.775V\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eFrequency response: 20Hz-20KHz(±3dB) (AUX IN)  \/ Standard RIAA (phono IN)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eS\/N ratio: ≥105dB\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eTHD: 0.2%\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 95*117*30mm \/ 3.74*4.61*1.18in (exclude tubes)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003ePackage dimensions(W*D*H): 255*215*65mm \/ 10.04*8.46*2.56in\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 330g \/ 0.73lb\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage weight: 600g \/ 1.32lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePacking List\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1*T4 PRO Preamp\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e2*JAN5654 Vacuum Tube\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1*DC 12V Power Adapter\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*3.5mm to RCA Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eComparision between Douk Audio T4 PRO and Other Similar Preamp\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"float: left;\" cellspacing=\"0\" border=\"1\" data-mce-fragment=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBrand\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDouk Audio\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOthers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e3.5mm headphone out\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e√ (32-300Ω)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e×\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eVacuum Tubes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2*GE JAN5654\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2*6J2\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eControl knob\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSolid aluminium (ten times expensive)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePlastic\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eGain adjustment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSmooth potentiometer (multi-level)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOnly 4 levels (0, 39, 42, 45)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eS\/N ratio\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e≥105dB\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"top\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e≥\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e98\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003edB\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406627913960,"sku":"SUC-T4-PRO-US","price":64.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406627946728,"sku":"SUC-T4-PRO-UK","price":64.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406627979496,"sku":"SUC-T4-PRO-DE","price":64.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406628012264,"sku":"SUC-T4-PRO-AU","price":64.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406628045032,"sku":"SUC-T4-PRO","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/SUC-T4PRO_5.jpg?v=1650961781"},{"product_id":"douk-audio-x1-bluetooth-vacuum-tube-amplifier-desktop-amp-for-turntables-160wx2","title":"Douk Audio X1 HiFi Bluetooth 5.0 Vacuum Tube Amplifier Desktop Audio Amp for Turntables 160Wx2","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eIntroduction\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul\u003e\n\u003cli\u003eDouk Audio X1 tube power amplifier is the fully upgrading version in all aspects, using JAN5725 vacuum tube to impove the sound quality, TDA7498E amp IC that can max output 160W+160W to drive all home speakers, integrating the function of phono preamp and amplifier to support MM phono turntables input, and adding a low frequency output that can connect active subwoofer to build 2.1 channel audio system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBluetooth 5.0 \u0026amp; Stereo RCA \u0026amp; MM Phono inputs: MM phono input, converts phono signal to line level signal and amplify it, with low-noise integrated circuits and high-quality components to ensure clear and clean sound. Bluetooth\u0026amp;RCA input, amplify the low level audio signal from your phone, tablet,MP3 etc. and provide enough output power for passive speaker, greatly improve the sound quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eJAN5654 vacuum tube \u0026amp; HiFi Sound: \u003cspan data-mce-fragment=\"1\"\u003edefault with JAN5725 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6J1 series especially in human voice. Pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference.\u003c\/span\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSuper large output power \u0026amp; low frequency output: adopting TDA7498E amp IC whose max output power can reach 160W+160W(4Ω), and equipped with 32V\/5A power supply, easily to drive most home passive speakers. \u003cspan data-mce-fragment=\"1\"\u003eAnd adding subwoofer output, convenient to connect active subwoofer and build 2.1 stereo audio system.\u003c\/span\u003e  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePerfect Design \u0026amp; Powerful function: with tone control, easy to get more smooth and delicate sound by adjusting treble and bass knob, and bypass function is added to enjoy original sound. A bassboost switch is specially designed to greatly enhance bass effects, the shocking auditory effects make you feel like in the cinema. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMature Circuit \u0026amp; HiFi Components:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDouble PCB design, perfectly integrated the MM phono circuit. Reasonable and concise layout, less wiring and less noise.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAdopting QCC3034 Bluetooth chip, with strong compatibility and supports APTX and APTX-HD lossless transmission.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNE5532 op amp responsible for pre-amplification and tone control, with excellent dynamic, rich details and wide sound field.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCustomized whole aluminum alloy case with good heat dissipation, and use Simens capacitors, NEC relay, red loop inductance, pure copper gold-plated terminas etc.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExquisite Appearance \u0026amp; Proper Size: metal black case and vacuum tube with blue and orange decorating light looks fashionable and attractive, designed input switch \/ bass and tone pass \u0026amp; bypass switch, very convenient to use and suitable for stereo home and desktop audio system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" id=\"pastingspan1\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" id=\"pastingspan1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio input: Bluetooth 5.0 \/ stereo L\/R RCA \/ MM Phono \u0026amp; Turntables\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio output: banana speaker jacks \/ Low frequency output (connect active subwoofer)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBluetooth chip: QCC3034 (support APTX \/ APTX-HD)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAmp IC: TDA7498E\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOp amp: NE5532\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMax output power: 160W+160W(4Ω load)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSpeaker impedance: 4-8\u003cspan data-mce-fragment=\"1\"\u003eΩ\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFrequency response: 20Hz-20KHz(±3dB)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSNR: \u0026gt;90dB\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTHD: 0.5%\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eInput sensitivity: 0.775V\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTreble and Bass range: ±6dB\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWorking voltage: DC 19V-35V\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 115*166*60mm \/ 4.53*6.54*2.36in\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePackage dimensions(W*D*H): 320*280*80mm \/ 12.60*11.02*3.15in\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNet weight: 782g \/ 1.72lb\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePackage weight: 1400g \/ 3.09lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*X1 Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2*JAN5725 Vacuum Tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*32V\/5A Power Supply\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*Bluetooth Antenna\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*User Manual \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47401204777192,"sku":"SUC-X1-32V-US","price":139.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47401204809960,"sku":"SUC-X1-32V-UK","price":139.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47401204842728,"sku":"SUC-X1-32V-DE","price":139.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47401204875496,"sku":"SUC-X1-32V-AU","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47401204908264,"sku":"SUC-X1-32V","price":148.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_614f8149-586c-450d-9174-26c7e08a61c2.jpg?v=1744601260"},{"product_id":"mic-line-analog-dual-vu-meter-sound-level-indicator-audio-splitter-switcher-box","title":"Douk Audio VU2 MIC+LINE Dual Analog VU Meter Stereo RCA Audio Splitter Switcher Box Audio Spectrum Display","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eWarm Tips\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003eCompatible with most audio devices, but cannot guarantee 100%. If there exists common ground noise, please add an isolation module between VU2 and your device.\u003c\/div\u003e\n\u003cdiv align=\"center\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eVU2 VU meter \u0026amp; audio splitter box is originally designed by Douk Audio:\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAs an analog VU meter, with wired stereo RCA input and wireless microphone inputs, can be matched very well with most common audio device such as mobile phone, computer, CD players, or speakers and so on, very suitable for home\/office\/studio system to dynamically decorate your auditory feast.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAs a 4-way audio splitter box, VU2 can work in 4-IN-1-OUT to compare the sound quality of differet audio source among mobile phone, tablet computer, TV, CD player, DAC etc., also can work in 1-IN-4-OUT mode to do contrasts among preamp, headphone, power amplifier and active speakers etc., no need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets. 4 channel can input at the same time to mixer different audio source, also can output at the same time to satisfy the requirements of monitoring or recording.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eThe USB interface of VU2 is only for providing power for the drive board of the VU meter, without any interference to the audio input and output circuit. VU meter and switcher box is controlled independently, and VU meter only reads audio signal from the I\/O interface, the sound quality will not be affected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eUnique and powerful design with exquisite appearance, cool black case and colorful indicators looks vintage and dynamic. All input and output terminas are made of lengthened gold-plated pure copper with large contact area for perfect performance and ultra-low signal loss, and equipped with remote control, very convenient to use, can \u003cspan data-mce-fragment=\"1\"\u003eperfectly match with audio device of different styles and suitable for a variety of scenarios.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cblockquote data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eIntroduction of VU2 Gain \u0026amp; Delay adjustment and ACG\/DB mode switch:\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eGain adjustment, to adjust the gain of input signal, that is the swing range of pointer. And 0dB position can be set at random when recording is needed. GAIN setting is controlled by the microcontroller internal digital adjustment, has no physical contact with the input audio signal then has no impact on sound quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDelay adjustment, to adjust the sensitivity of pointer that is the speed of pointer beating to adapt to different music styles. Generally, slow rhythm corresponds to slower beat, rock, punk and other fast-paced music is more suitable for faster beat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIn ACG mode, the input volume and the swing of pointer is not proportional. When the input volume is low, the swing amplitude of pointer is large, and when the volume is gradually increased, the swing amplitude gradually becomes small. This mode cannot truly show the input level, not suits professional recording occasions but suits people's regular hearing habits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIn DB mode, the swing of the pointer is proportional to the input signal. This display mode is suitable for some occasions that need to know the real music level, such as a recording studio or when testing a certain sound level.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eNotice\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003e4 channel can work (input or output) at the same time, but this function only can be set by pressing the four channel buttons on the front panel, cannot be controlled by remote control.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e When in 4-IN-1-OUT mode, 4 channels of VU2 are not recommended to work in parallel, there will be some distortion if the output level of 4 players are different.\u003c\/li\u003e\n\u003cli\u003eNot recommend to power VU2 from the USB interface of audio source device, noise will be generated in this condition. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cstrong\u003eParameters\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio input: stereo RCA \/ Microphone\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio output: 4 groups of stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking mode of switcher: 1-IN-4-OUT \/ 4-IN-1-OUT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSensitivity adjustment: support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eGain adjustment: support (DB mode \/ ACG mode)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: Micro USB DC 5V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking current: 0.5A (dark version) \/ 1.5A (light version)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eVoltage of backlight filament: DC \/ AC 6-12V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCurrent of backlight filament: 10mA (dark version) \/ 100mA (light version)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDynamic acceleration \/ deceleration damping modes: support\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePower on\/off function: support\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSettings saved after shutdown: support\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMute function: support\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRemote control: support\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 280*122*80mm \/ 11.02*4.08*3.15in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eN\u003cspan data-mce-fragment=\"1\"\u003eet weight: 1.10kg \/ 2.43lb\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage weight: 1.43kg \/ 3.15lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*VU2 Meter\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Remote Control (without batteries)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*USB Cable \u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Manual \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"Light \/ US","offer_id":43062394913000,"sku":"XX-VU2-L-US","price":179.0,"currency_code":"USD","in_stock":true},{"title":"Light \/ UK","offer_id":47406699380968,"sku":"XX-VU2-L-UK","price":179.0,"currency_code":"USD","in_stock":true},{"title":"Light \/ EU","offer_id":47406699413736,"sku":"XX-VU2-L-DE","price":179.0,"currency_code":"USD","in_stock":true},{"title":"Light \/ AU","offer_id":47406699446504,"sku":"XX-VU2-L-AU","price":179.0,"currency_code":"USD","in_stock":true},{"title":"Light \/ Other","offer_id":47406699479272,"sku":"XX-VU2-L","price":189.0,"currency_code":"USD","in_stock":true},{"title":"Blue \/ US","offer_id":48613667700968,"sku":"XX-VU2-B-US","price":179.0,"currency_code":"USD","in_stock":false},{"title":"Blue \/ UK","offer_id":48613667733736,"sku":"XX-VU2-B-UK","price":179.0,"currency_code":"USD","in_stock":false},{"title":"Blue \/ EU","offer_id":48613667766504,"sku":"XX-VU2-B-DE","price":179.0,"currency_code":"USD","in_stock":false},{"title":"Blue \/ AU","offer_id":48613667799272,"sku":"XX-VU2-B-AU","price":179.0,"currency_code":"USD","in_stock":false},{"title":"Blue \/ Other","offer_id":48613667832040,"sku":"XX-VU2-B","price":189.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/XX-VU2-L_5.jpg?v=1650962351"},{"product_id":"dual-analog-vu-meter-2-way-amplifier-speaker-audio-switcher-box-db-panel-display","title":"Douk Audio VU3 Dual Analog VU Meter 2-way Amplifier\/Speaker Audio Switcher Box DB Panel Display","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\" data-mce-style=\"text-align: left;\"\u003e\n\u003cdiv class=\"celwidget aplus-module 3p-module-b aplus-standard\" data-csa-c-id=\"bj2s6z-xhzx0i-aazc1-bwqy08\" data-cel-widget=\"aplus-3p-module-b\" cel_widget_id=\"aplus-3p-module-b\"\u003e\n\u003cdiv class=\"aplus-module-wrapper aplus-3p-fixed-width\"\u003e\n\u003cdiv class=\"celwidget aplus-module 3p-module-b aplus-standard\" data-csa-c-id=\"bj2s6z-xhzx0i-aazc1-bwqy08\" data-cel-widget=\"aplus-3p-module-b\" cel_widget_id=\"aplus-3p-module-b\"\u003e\n\u003cdiv class=\"aplus-module-wrapper aplus-3p-fixed-width\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"celwidget aplus-module module-2 aplus-standard\" data-csa-c-id=\"61kubu-j99bqt-ah6rqi-9vukc9\" data-cel-widget=\"aplus-module-2\" cel_widget_id=\"aplus-module-2\"\u003e\n\u003cdiv data-a-expander-name=\"aplus-module-expander\" data-a-expander-collapsed-height=\"700\" class=\"a-expander-collapsed-height a-row a-expander-container a-expander-partial-collapse-container\"\u003e\n\u003cdiv aria-expanded=\"false\" class=\"a-expander-content a-expander-partial-collapse-content\"\u003e\n\u003cdiv class=\"aplus-module-wrapper apm-floatnone apm-fixed-width\"\u003e\n\u003cdiv class=\"apm-sidemodule apm-spacing\"\u003e\n\u003cdiv class=\"apm-sidemodule-textright\"\u003e\n\u003ch3 class=\"a-spacing-mini\"\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstrong\u003e\u003cbr\u003eFeatures\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eVU3 VU meter \u0026amp; audio switcher box is originally designed by Douk Audio:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAs a VU meter, with dual 60*35mm large meter, can dynamically decorate audio environment and provide incomparably visual effects when switching audio signals.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAs an audio switcher, easily to switch between two amplifiers and 2 pair of speakers, no need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePowerful design and strong compatibility: all channels adopt fully isolation design, each channel's GND is independent without mutual interference. Supports all kinds of amplifier such as BTL \/ class A \/ class B \/ class D digital amplifier \/ tube amplifier etc.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHigh-quality components to ensure VU3's best working performance:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1. AC 250V 5A large current relay, easily to connect amplifiers and speakers with high power.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2. Built-in large power load resistor with metal wire winding, each channel supports up to 300W power input and output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e3. High-precision VU meter with peak LED display, and match perfectly with customized VU driver board.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e4. Fully isolation transformer to acquisite audio signal to avoid crosstalk from VU driver board, ensure clear and pure sound.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e5. Solid CNC full aluminium alloy case, large pure copper banana speaker jacks ensures minimum signal attenuation during transmission.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEasy Use \u0026amp; Perfect Details: Powered by micro-USB 5V, with built-in protection load for speakers. With remote control, can quickly set the working status from distance. All settings can be saved after shutdown, more convenient to use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eProper size with exquisite appearance: cool black case, warm VU meter and clear indicators looks vintage and dynamic, can perfectly match with a variety of usage scenarios, very suitable for audiophiles who have more than one amplifiers or speakers.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eWarm tips\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eFor safer and faster delivery, the remote control may not include batteries (CR2025 3V), please prepare it by yourself.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eNot connect VU3 to amplifiers whose actual output power is greater than 300W, or else VU meter may be damaged.\u003c\/li\u003e\n\u003cli\u003eWhen power VU3 off, Amplifier B channel and Speaker 2 channel will be auto selected and can input and output audio signal normally. And when power VU3 on again, it will auto switch to the channels that are set before.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio input\/output: 2 groups of banana female\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWorking mode: 2-IN-1-OUT \/ 1-IN-2-OUT\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAmplifier type supported: all kinds of type (BTL \/Class A \/Class AB \/Class B \/ Class D digital amp \/ tube amp etc.)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMax. through power of each channel: 300W (in actual)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBacklight brightness adjustment: 4-level adjustment (can be turn off)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAmplifier no-load protection: support\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRemote control function: supprt\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSettings saved after shutdown: support\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWorking voltage: DC 5V (above 1A)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePower interface: Type-C\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBattery model of remote control: CR2025 3V (may not included)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDiameter of VU meter: 60*35mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 178*118*68mm \/ 7.01*4.65*2.68in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage dimensions(W*D*H): 280*185*155mm \/ 11.02*7.28*6.10in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 980g \/ 2.16lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage weight: 1.2kg \/ 2.65lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*VU3 VU Meter \u0026amp; Audio Switcher\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*Remote Control(without battery)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*USB Cable\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406706295016,"sku":"XX-VU3-US","price":129.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406706327784,"sku":"XX-VU3-UK","price":129.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406706360552,"sku":"XX-VU3-DE","price":129.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406706393320,"sku":"XX-VU3-AU","price":129.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406706426088,"sku":"XX-VU3","price":138.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/XX-VU3_3.jpg?v=1650962469"},{"product_id":"douk-audio-u3-mini-class-a-headphone-amplifier-hifi-desktop-home-stereo-amp-dc5v","title":"Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Stereo Amp for HD650\/K701\/DT880\/T70\/RS1e","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong\u003eWarm tips:\u003c\/strong\u003e \u003cbr data-mce-fragment=\"1\"\u003eNot inlcude power adapter, recommend to use original high-quality power adapter above 5W. \u003cbr data-mce-fragment=\"1\"\u003eFor example: the current should be above 1A if use DC 5V while need above 0.5A if use DC 12V power adapter.\u003c\/span\u003e\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAdopting innovative circuit design, DC 5-20V wide input working voltage, the amplifier circuit can always work at a high voltage of 26V, and the background noise index is excellent. With wide frequency response extension, excellent transient response, excellent purity and transparency, and good dynamic range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAdopting original TI-NE5532 classical op amp and transistor expanding current circuit, using 1300mA large current output transistor working in class A status, with ultra-low distortion, and the sound is warm and delicate, full and mellow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePluggable op amp socket design, convenient to upgrade different op amps and bring much DIY fun and playability for audiophiles. Smooth and mellow sound, suitable for listening to vocals or string music, classic or pop music, and even with unique charm when playing rock.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMini size with exquisite appearance and most cost-effective, brings big surprise for all audiophiles, easily to drive most headphones in the market, providing larger power, better sound field and details, very suitable for home\/office desltop audio system use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWith stong drive power, easily to drive most high-impedance headphones such as:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHD580\/HD600\/HD650\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eK701\/K702\/Q701\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDT880\/T70\/T90\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSR225\/SR325\/RS1e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eParameters:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio input: stereo L\/R RCA\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio output: 6.35mm headphone jack (with 6.35mm to 3.5mm adapter)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOutput power: ≥1300mW (32Ω)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMatched headphone impedance: 18-600Ω\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFrequency response: 20-30KHz\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSignal to noise ratio: ≥110DB\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMax output amplitude voltage: 25V\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eInput voltage: DC 5-20V\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDimension(W*D*H): 67*93*30mm \/ 2.64*3.66*1.18in\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNet weight: 169g \/ 0.37lb\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePackage weight: 310g \/ 0.68lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*U3 Headphone Amplifier\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*USB to DC Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*6.35mm to 3.5mm Headphone Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406714618088,"sku":"XZ-U3-US","price":36.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406714650856,"sku":"XZ-U3-UK","price":36.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406714683624,"sku":"XZ-U3-DE","price":36.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406714716392,"sku":"XZ-U3-AU","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406714749160,"sku":"XZ-U3","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/XZ-U3-P_1.jpg?v=1650965746"},{"product_id":"douk-audio-hifi-vacuum-tube-power-amplifier-home-stereo-pure-class-a-single-ended-audio-amp","title":"Douk Audio F5 HiFi Vacuum Tube Amplifier Pure Class A Single-ended Stereo Audio Amp","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFeatures \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWith 2 groups of stereo RCA inputs, can be perfectly compatible with most audio sources such as Phone, MP3, tablet, TV, computer, CD players etc., adds input selector to avoid plugging cables repeatedly, providing HiFi listening experience via convenient use.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAdopting high-current double triode 6N for voltage amplification, and 6L6 for single-ended power amplification, provides large driving current, warm and rich sound, full and thick in mid-bass, and transparent and smooth in treble. Effectively filter the digital sound, reduce noise and improve the dynamics. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAdopting imported 150W large power transformer, ensure 15W \"No Large Loop Feedback\" ultra-linear audio output transformer, Using unique cross-composite winding method to greatlyt reduce the leakage inductance. Ensure sufficient power, easily to drive most home passive speakers.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eProper size with exquisite appearance, silver aluminium alloy chassis with fine surface treatment, 0.35mm imported iron core, APLS potentiometer, famous imported capacitor etc., attractive and durable. Simple design and pure clear sound, very suitable for stereo home and desktop audio system.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eWarm tips\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003ePluggable tube socket design, you can also change the tubes (6L6--6P3P\/EL34\/6550\/KT66, 6N1--6H1\/ECC85) to get enjoy different sound styles.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eAudio input: 2 groups of stereo RCA\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eAudio output: banana speaker jacks\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eTube Model: 6L6×2+6N1×1\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eOutput power: 6W+6W\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eOutput impedance: 4Ω\/8Ω  \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eFrequency response: 35Hz-25KHz\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eS\/N ratio: 88db\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eI\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003enput sensitivity: 750mW\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eInput impedance: 100K\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003ePower transformer: 150W\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: AC 110V (not available currently) \/ 220V\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 230*205*160mm \/ 9.06*8.07*6.30in\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 6.57kg \/ 14.48lb\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage weight: 8.0kg \/ 17.64lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1*Tube Amplifier\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Power Cord\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406470299880,"sku":"DJ540-US","price":459.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406470332648,"sku":"DJ540-UK","price":459.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406470365416,"sku":"DJ540-DE","price":459.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406470398184,"sku":"DJ540-AU","price":459.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406470430952,"sku":"DJ540","price":479.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/1_0edfb2a7-dc41-43cf-8dcf-8cea3381c9f4.jpg?v=1651031198"},{"product_id":"ampapa-a1-mini-5654-vacuum-tube-preamp-phono-turntable-amplifier-w-tone-control","title":"Ampapa A1 Mini 5654 Vacuum Tube Preamp Phono\/Turntable Amplifier w\/Tone Control","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNobsound \/ Douk Audio is the only authorized distributor of Ampapa A1.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eIntroduction\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eA1 tube preamp \/ phono preamp \/ headphone amp is the first product carefully designed by Ampapa, with high-end configuration, powerful functions and amazing looking. Ampapa, always devoted to exploring the design innovation of HiFi and amplifying all passion for music.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eFeatures\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eAmpapa A1, more than one simple preamp:\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMM input, converts phono signal to line level signal, with low-noise integrated circuits and high-quality components to ensure clear and clean sound.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eStereo RCA input, amplifies the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifiers or active speakers and greatly improve the sound quality.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eJAN5654 tubes and HiFi vintage analog sound: reveal a sound that is both warm and fine, highlight great musicality, and improve everything associated with music such as detail, transparency, immediacy, richness, dynamic, tone etc.. Ceramic silver-plated pluggable tube socket for tube rolling and sound-shaping, easy to replace according to one's preference.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTone Control and 3.5mm headphone output: get more delicate and smooth sound by adjusting treble \/ bass knob, presenting music with rousing highs and deep lows and rejuvenating your audio system. Reasonable and advanced architecture, adds classic headphone amp circuit (2*NE5532), easily to drive 16-300 ohm headphones. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eExcellent performance and amazing design: all details full of texture, provide different acoustic enjoyment with large dynamic and sweet tube sound even in limited space. Using high-quality components, solid aluminum alloy knobs, unique appearance modeling decorates with warm orange \/ cool green lights etc., all is for the best listening experience. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eWarm tips:\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1. A1 is designed with pluggable tube socket, compatible with 6J1, 6K4, 6J5, GE5654W, 6*1N, 6*2N, 6J5, 6A2, etc., can be replaced directly. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2. Stereo RCA output and 3.5mm headphone output can work at the same time, and the volume \/ treble \/ bass of two outputs are controlled simultaneously. \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003eParameters\u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Ampapa\u003c\/li\u003e\n\u003cli\u003eModel: A1\u003c\/li\u003e\n\u003cli\u003eAudio input: Phono MM \/ Stereo RCA\u003c\/li\u003e\n\u003cli\u003eAudio output: Stereo RCA \/ 3.5mm Headphone Jack\u003c\/li\u003e\n\u003cli\u003eInput level: 0.775V RMS (RCA) \/ 0.005V RMS (Phono)\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20Hz-20KHz (±0.5dB) (RCA) \/ Ref to RIAA +\/-2dB (Phono)\u003c\/li\u003e\n\u003cli\u003eHeadphone output power: 125mW (32Ω)\/62.5mW(64Ω)\/30mW(128Ω)\u003c\/li\u003e\n\u003cli\u003eHeadphone impedance range: 16-300Ω\u003c\/li\u003e\n\u003cli\u003eTHD: ≤0.1%\u003c\/li\u003e\n\u003cli\u003eOutput level: 1.5V RMS (RCA) \/ 0.6V RMS (Phono)\u003c\/li\u003e\n\u003cli\u003eS\/N ratio: ≥106dB (RCA) \/ ≥80dB(Phono)\u003c\/li\u003e\n\u003cli\u003eWorking voltage: DC 12V(≥1.5A)\u003c\/li\u003e\n\u003cli\u003ePackage weight: 900g \/ 1.98lb\u003c\/li\u003e\n\u003cli\u003ePackage dimensions (W*D*H): 260*145*78mm \/ 10.24*5.71*3.07in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*A1 Preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2*5654 Vacuum Tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*DC 12V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*RCA Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Wiping Cloth\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406558281960,"sku":"SUC-A1-US","price":129.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406558314728,"sku":"SUC-A1-UK","price":129.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406558347496,"sku":"SUC-A1-DE","price":129.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406558380264,"sku":"SUC-A1-AU","price":129.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406558413032,"sku":"SUC-A1","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/SUC-A1-2022_4.jpg?v=1663234890"},{"product_id":"douk-audio-p6-mini-hifi-vacuum-tube-preamp-bluetooth-stereo-audio-pre-amplifier-tone-control","title":"Douk Audio P6 MINI HiFi Vacuum Tube Preamp Bluetooth Stereo Audio Pre-amplifier Tone Control","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMultiple audio inputs for different requirements: support Bluetooth 5.0 \/  USB(U-disk) \/ Stereo RCA connections, perfectly match with phonoes, TV, tablet, projectors, computers etc., support U-disk to play APE\/ FLAC \/WAV\/ WMA lossless formats besides MP3; greatly improve the sound quality for your amplifier or active speaker.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHIFI warm sound and replaceable tube design: default 6A2 tube to filter out the digital feelings and soften the sound to be warmer and sweeter, full and mellow with large dynamic; pluggable tube design, can be upgraded to 6*1N \/ JAN5725W \/ 6AK5 \/ EF95 for tube shaping and rolling and enjoy different sound styles.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSeparate tone control and input switch: besides main volume control knob, also with independent treble and bass knob to present amazing music with rousing highs and deep lows; with input selector and LED indicator, easy to switch input channel and show its working state, no need to plug cables again and again.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCompact size and attractive appearance: CNC machined black aluminum alloy chassis, sturdy and durable; decorated with warm orange light from vintage tube looks great, provide different acoustic enjoyment even in limited space, very suitable for the audiophiles who pursue wonderful auditory and visual enjoyment.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWarm Tips\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eU-disk input is prior to Bluetooth, Bluetooth will auto disconnect when U-disk is inserted.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio input: Bluetooth 5.0\/USB(U-disk)\/Stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio output: Stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMaximum capacity U-disk supported: 64G\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHighest sampling rate U-disk supported: 24Bit\/192K (FAT32)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFormats U-disk supported: MP3\/APE\/ FLAC \/WAV\/ WMA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTreble \/ bass range: ±6dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFrequency response: 20Hz-20kHz(±1dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDistortion: ≤0.03%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRCA input sensitivity: 0dBFS\/1V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSNR: ≥100dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: DC 12V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 97*118*33mm\/3.82*4.65*1.30in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage Dimensions(W*D*H): 250*215*65mm\/9.84*8.46*2.56in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet Weight: 337g\/0.74lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage Weight: 700g\/1.54lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*P6-MINI Preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2*6A2 Tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*DC12V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Bluetooth Antenna\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406586429672,"sku":"SUC-P6-MINI-US","price":49.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406586462440,"sku":"SUC-P6-MINI-UK","price":49.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406586495208,"sku":"SUC-P6-MINI-DE","price":49.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406586527976,"sku":"SUC-P6-MINI-AU","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406586560744,"sku":"SUC-P6-MINI","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/SUC-P6-MINI_33f78c38-455e-4ce4-ac75-3396e7a97845.jpg?v=1670481533"},{"product_id":"douk-audio-u10-mini-tube-headphone-amplifier-hifi-stereo-preamp-for-home-speaker","title":"Douk Audio U10 Mini Tube Headphone Amplifier HIFI Stereo Preamp for Home Speaker","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eU10 headphone amplifier with strong power:  stereo 3.5mm AUX and RCA inputs, compatible with most audio source such as MP3, phones, computers, CD players etc.. Dual headphone jacks (3.5\/6.35mm) output up to 1100mW, easily to drive all 18-600Ω headphones; U10 also can be used as a preamp to improve the sound quality for amplifiers or active speakers.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced design and HIFI sound: innovative built-in voltage boost circuit, U10 always works at a high voltage of 24V even only powered by DC 5V, the sound with deadly quiet background, amazing purity and transparency, accurate position and wide sound field, easy use and unrivalled sound are both achieved at the same time.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003ePluggable design with higher playability: 2PCS 6A2 tubes are adopted to soften and warm the audio, sounds real and natural, full and mellow, delicate and sweet. Both tubes and op amps are designed with pluggable socket, convenient for tube rolling, op amp upgrading and sound-shaping, different styles of sound can be enjoyed easily.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eExcellent manufacturing and most cost-effective: all metal case with good shielding, pure ceramic tube socket with antioxidant contact etc., U10 provides excellent sound and strong power for your headphones in such a mini size, specially suitable for the audiophiles who love listening to vocals, string music, light or classic music etc..\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eWarm tips:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e1. Not inlcude power adapter, recommend to use original high-quality power adapter (DC5V\/≥2A ). U10 won't work normally if the current below 2A.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e2. Inputs (3.5mm \/ RCA) and outputs (6.35mm\/3.5mm jack) are connected in parallel, in other words, all inputs and outputs work simultaneously. Don't connect 3.5mm and RCA inputs at the same time, or else audio signals will be mixed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e3. Pluggable tube socket design, 6A2 can be replaced by the following models:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e6J1、6ж1П、6AK5、6BC5、403A\/B、5654、EF40、EF95、CV850、6J2、6ж2П、6AS6、CV2522、EF11\/732、CV4011、6J3、6ж3П、EF96、CV848、6BC6、6AG5、 6J4、6ж4、6136、6BX6、6AC7、EF94、6AU6、6K4、6K5、6K4П、6BA6、6DA6、EF89\/93、5749\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e4. U10 can easily drive all headphones even with high-impedance such as HD580\/HD600\/HD650 \/ K701\/K702\/Q701 \/ DT880\/T70\/T90 \/ SR225\/SR325\/RS1e etc.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eParameters:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eModel: U10\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio input: 3.5mm AUX \/ Stereo RCA\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio output: 3.5mm \/ 6.35mm headphone jack\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTube Model: 6A2 (2PCS)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOp amp model: NE5532 (2PCS)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency response: 20Hz-30KHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eOutput power: ≥1100mW (32Ω)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMatched headphone impedance: 18-600Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSignal to noise ratio: ≥110DB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eInput voltage: DC 5V (≥2A)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking voltage inside: DC 24V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNet weight: 200g \/ 0.44lb\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage weight: 300g \/ 0.66lb\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDimensions (W*D*H): 69*95*30mm \/ 2.72*3.74*1.18in (not including tubes)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage Dimensions (W*D*H): 132*85*90mm \/ 5.20*3.35*3.54in\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1 × U10 Headphone Amplifier\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e2 × 6A2 Tube\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1 × Acrylic Board\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1 × USB to DC Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1 × User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406711111912,"sku":"XZ-U10-US","price":49.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406711144680,"sku":"XZ-U10-UK","price":49.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406711177448,"sku":"XZ-U10-DE","price":49.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406711210216,"sku":"XZ-U10-AU","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406711242984,"sku":"XZ-U10","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/1_3341d812-e0b5-4f00-b4cd-18d84d69cb2d.jpg?v=1679712496"},{"product_id":"upgraded-douk-audio-t8-7-band-eq-tube-preamp-equalizer-xlr-pre-amplifier-for-home-speaker","title":"[Upgraded] Douk Audio T8PRO 7-band EQ Tube Preamp Equalizer XLR Pre-Amplifier with Tone Control for Home Speaker","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eUpgraded 7-band EQ preamp: separate and rich frequency band control (50Hz \/ 125Hz \/ 315Hz \/ 750Hz \/ 2KHz \/ 6KHz \/ 16KHz), T8 can compensate for the defects of speakers and sound field by adjusting 7-band high, middle and low frequencies, and modify various sound sources. The timbre and loudness also can be changed to achieve different sound effects.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eReal balanced XLR preamp: support XLR and RCA inputs and outputs, T8 can reproduce high-quality audio for amplifier or active speaker with excellent separation, resolution, sound field, clean background. Also with a balance control to compensate for the left and right channel of all outputs and prevent the sound field positioning from deviating from the center position.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eHiFi warm \u0026amp; sweet tube sound: adopts classic pluggable Soviet Union 6H1N-BN tube to improve everything detail associated with your music, sounds warm and delicate, full and mellow, dynamic and melodious. Pluggable socket design for tube rolling and sound-shaping, easy to pick from and alter the sound signature to one's preference.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced design and attractive appearance: adopts electrolytic iron plate with good shielding performance, and the performance is precisely balanced; black aluminum alloy chassis with vintage warm tube lights, looks cool, exquisite and durable, very suitable for the audiophiles who pursue HiFi sound.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eWarm tips:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e1. Two outputs (RCA \/ XLR ) can work at the same time.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2. When the scale line on frequency knobs points to the middle means this frequency band is neither weakened nor strengthened. When rotating it to its middle position there will be a feeling of pause.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e3. Default 6H1N-BN tubes, can be changed to the following models: 6SN7GT \/ 6N1 \/ 6AQ8, and the 6SN7GT requires a 6SN7 to 6N1 socket adapter.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eModel: Douk Audio T8PRO\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio input: single-ended RCA \/ balanced XLR\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio output: single-ended RCA \/ balanced XLR\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency response: 20Hz～20KHz(±1dB)    \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency band: 50Hz \/ 125Hz \/ 315Hz \/ 750Hz \/ 2KHz \/ 6KHz \/ 16KHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRCA input sensitivity: 0.775Vrms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRCA output level: 1.2Vrms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBAL input sensitivity: 1.5Vrms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBAL output level: 2.4Vrms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTHD: 0.01%    \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSNR: ≥98dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking voltage: DC12V (≥2A)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDimensions(W*D*H): 186*128*38mm \/ 7.32*5.04*1.50in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage dimensions(W*D*H): 340*240*70mm \/ 13.39*9.45*2.86in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNet weight: 685g \/ 1.51lb\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1.1kg \/ 2.43lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*T8PRO Preamp\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e2*6H1N-BN Tube\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*DC 12V Power Adapter\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"Black \/ US","offer_id":44737424949480,"sku":"SUC-T8-PRO-H-US","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Black \/ UK","offer_id":47406664253672,"sku":"SUC-T8-PRO-H-UK","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Black \/ EU","offer_id":47406664286440,"sku":"SUC-T8-PRO-H-DE","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Black \/ AU","offer_id":47406664319208,"sku":"SUC-T8-PRO-H-AU","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Black \/ Other","offer_id":47406664351976,"sku":"SUC-T8-PRO-H","price":129.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ US","offer_id":44737424982248,"sku":"SUC-T8-PRO-S-US","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Silver \/ UK","offer_id":47406664384744,"sku":"SUC-T8-PRO-S-UK","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Silver \/ EU","offer_id":47406664417512,"sku":"SUC-T8-PRO-S-DE","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Silver \/ AU","offer_id":47406664450280,"sku":"SUC-T8-PRO-S-AU","price":123.49,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Other","offer_id":47406664483048,"sku":"SUC-T8-PRO-S","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-T8PRO.jpg?v=1692933627"},{"product_id":"vu9-pixie-tube-sound-level-meter-ref-to-retro-nixie-tube-audio-spectrum-w-mic-pickup","title":"VU9 Pixie Tube Sound Level Meter Ref to Retro Nixie Tube Audio Spectrum w\/MIC Pickup","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eIntroduction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eInspired by Nixie tube audio spectrum, Douk Audio VU9 pixie tube sound level meter integrates retro tube design and modern technology. With microphone and line inputs, also support full function adjsutments such as display mode, gain, color, speed, peak color, brightness etc., make your desktop more energetic and dynamic.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eVU9 supports microphone and LINE (3.5mm AUX) inputs, both achieves wireless pickup and accurate display. It matches perfectly with most common audio device such as phone, computer, CD players, or speakers etc., very suitable for home\/office\/studio audio system to dynamically decorate your auditory feast.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eSimulated nixie tubes, VU9 adopts unique LED beads and glass tube to reproduce the sense of retro and mystery. Compared with nixie tubes, VU9 not only can acheive the same effects, but also with lower and safer working voltage (DC 5V), longer service life and much lower price. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eVU9 with full functions, not only support gain adjustment to achieve better visual effects, but also with 9 display modes, full color, moving speed and brightness adjustment, to match better with different audio device and environments.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eVU9 is powered by USB 5V, very convenient to use no matter when and where you are. With built-in power-off saving settings, no need to reset parameters even after restarting.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWarm tips:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e1. Please make sure you have installed the tubes in correct direction,\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e or else the tubes will not light up.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2. AUX input is prior, VU9 will auto enter mic pickup mode if the AUX cable is disconnected.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e3. Without DC 5V power adapter, please prepare by yourself. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio input: 3.5mm AUX \/ microphone pick up\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePower-off saving settings: support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBrightness setting: support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRhythm sensitivity setting: support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eColor setting: support full-color\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLevel meter display mode: two square root signal compression\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: DC 5V ≥1A (Type-C)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 85*85*175mm \/ 3.35*3.35*6.89in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 250g \/ 0.55lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage weight: 500g \/ 1.10lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003ePacking List\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*VU9\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e2*Tube\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*USB Cable (type-C)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*1:2 3.5mm Splitter Cable\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e4*M2 Screw\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*Screwdriver\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1 Set*Isolation Stand Feet\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406719860968,"sku":"XX-VU9-US","price":69.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406719893736,"sku":"XX-VU9-UK","price":69.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406719926504,"sku":"XX-VU9-DE","price":69.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406719959272,"sku":"XX-VU9-AU","price":69.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406719992040,"sku":"XX-VU9","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/XX-VU9-NEW_2.jpg?v=1691716777"},{"product_id":"douk-audio-t14-eq-mini-mm-mc-phono-stage-riaa-preamp-for-lp-vinyl-turntables-with-headphone-out","title":"Douk Audio T14-EQ Mini MM\/MC Phono Stage RIAA Preamp for LP Vinyl Turntables with Headphone Out","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWarm Tips\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1. 3.5mm headphone output with priority, please make sure the headphone cable has been pulled out if want to use stereo RCA output.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2. Without a DC5V power adapter, please prepare it by yourself.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMM\/MC phono preamp: converts phono signal to line level signal, low-noise integrated circuits and high-quality components are designed to ensure clear sound; with a MM\/MC switch on the bottom, easy to select to match different kinds of turntables.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLINE and 3.5mm headphone outputs: with stereo RCA output to connect amplifiers or active speakers, greatly improve their sound quality; also add a 3.5mm headphone jack to drive all 16-200Ω headphones, convenient to enjoy music from record players alone or at night.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHIFI sound and tone control: with independent treble and bass control within -5dB to +5dB range, easy to adjust different sound styles to personal perference.With built-in power isolation circuit, no common ground noise will be generated even sharing the same power with audio players.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMini size and easy to use: compact design, all-aluminum shell and gold-plated PCB and RCA terminals can maximally isolate external interference signals to ensure lossless transmission; USB 5V input voltage, also can be powered by computer or power bank, convenient to use anywhere in your house.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio input: MM\/MC phono\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAudio output: Stereo RCA \/ 3.5mm Headphone Jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eInput level:\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMM: 0.005V RMS  \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMC: 0.0005V RMS \u003c\/span\u003e\u003c\/div\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFrequency response: conforms to RIAA characteristics(±0.5dB) \u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTreble \/ bass range: ±5dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHeadphone output power:\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e250mW @32Ω\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e100mW @64Ω\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; padding-left: 30px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e60mW @128Ω\u003c\/span\u003e\u003c\/div\u003e\n\u003cul style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHeadphone impedance range: 16-200Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTHD: ≤0.1%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOutput level: 0.6V RMS\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eS\/N ratio: ≥80dB(Phono)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: DC 5V(≥0.6A)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 84*84*28mm \/ 3.31*3.31*1.10in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage dimensions(W*D*H): 133*92*50mm \/ 5.24*3.62*1.97in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 176g \/ 0.39lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePackage weight: 400g \/ 0.88lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1×T14-EQ Preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1×USB Cable(Type-C)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406673330408,"sku":"XX-T14-EQ-US","price":49.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406673363176,"sku":"XX-T14-EQ-UK","price":49.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406673395944,"sku":"XX-T14-EQ-DE","price":49.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406673428712,"sku":"XX-T14-EQ-AU","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406673461480,"sku":"XX-T14-EQ","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/XX-T14-EQ_6.jpg?v=1688016895"},{"product_id":"douk-audio-t9-hifi-magic-6e2-vacuum-tube-stereo-preamp-mm-mc-phono-stage-for-turntable-amp","title":"Douk Audio T9 6E2 Vacuum Tube Preamp MM\/MC Phono","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWarm Tips\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1. The bias and gain of two 6E2 tubes are set well before shipping, please pay attention to the R\/L channel markings on the tubes, don't insert them wrongly during installation.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2. 3.5mm headphone jack with priority, please make sure the headphone has been disconnected if you want RCA output.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e3. Pluggable tube socket design, 6A2 is convenient to be replaced by 6K4, EF93, 6BA6, W727 etc. to enjoy tube sound of different styles.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4. T9 is a preamp not a power amplifier, needed to work with amplifiers or active speakers.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eVintage vacuum tubes to provide double enjoyments: add magic eye 6E2 tubes to show the signal level dynamically, the color is pure with high brightness, also with switchable cold green and warm orange backlights, wonderful visual feast can be attained; default 6A2 tubes to improves everything associated with music, sounds warm and natural, full and mellow, amazing auditory carnival for your ears.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eT9 tube preamp with Phono and RCA inputs:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePhono input, support both MM \/MC cartridges with one button to switch, convert phono signal to line level signal, low-noise integrated circuits and high-quality components to ensure clear sound.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eStereo L\/R RCA input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifiers or active speakers and greatly improve their sound quality.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e3.5mm headphone output and tone control: besides stereo RCA output also with independent 3.5 mm headphone amp circuit, easily to drive all 16-300Ω headphones. More delicate and smooth sound with rousing highs and deep lows can be enjoyed by adjusting the treble \/ bass knob, rejuvenating your audio system.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAttractive looking and powerful design: all metal case and CNC aluminum panel with good shielding performance to avoid external interference. Solid and durable knurled knob, all I\/O interfaces are gold-plated to ensure the tight and smooth transmission of the original audio signal to minimize the loss of the signal.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHow to Adjust the Bias and Gain of the 6E2 Tubes?\u003cbr\u003e1. Power on T9 and do not input any source signal;\u003cbr\u003e2. Adjust the BIAS to display the green light of the 6E2 tube at the bottom;\u003cbr\u003e3. Then input the audio signal, and adjust the GAIN to display the 6E2 in the appropriate position and balance left and right.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio input: Stereo RCA \/ Phono MM(MC)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio output: Stereo RCA \/ 3.5mm Headphone Jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHeadphone impedance range: 16-300Ω\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHeadphone output power:\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e250mW@32Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e100mW@64Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e60mW@128Ω\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eRCA IN: \u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput level: 0.775V RMS\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOutput level: 1.5V RMS\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput impedance: 100K ohm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSNR: ≥106dB \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency response: 20Hz-20KHz (±0.5dB) \u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePHONO IN:\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput level: 0.005V RMS (MM) \/ 0.0005V RMS (MC)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOutput level: 0.6V RMS\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: times new roman, times;\"\u003e\u003cspan style=\"font-size: 18.6667px;\"\u003eInput impedance: \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e47K ohm \u003c\/span\u003e(MM) \/ 330ohm (MC)\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: times new roman, times;\"\u003e\u003cspan style=\"font-size: 18.6667px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSNR: ≥80dB\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: times new roman, times;\"\u003e\u003cspan style=\"font-size: 18.6667px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency response: Ref to RIAA ±2dB \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTHD: ≤0.1%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTube: 2×6E2; 2×6A2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTreble\u0026amp;Bass: ±10dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBacklight Color adjustable: GREEN\/ORANGE\/OFF\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWorking voltage: DC 12V(≥1A)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimensions (W*D*H): 154*87*47mm \/ 6.06*3.43*1.85in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage dimensions(W*D*H): 210*190*100mm \/ 8.27*7.48*3.94in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight: 600g\/1.32lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight: 1.0kg\/2.20lb\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*T9 Preamp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2*6E2 Tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2*6A2 Tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*DC12V Power Supply\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406688403688,"sku":"XX-T9-US","price":134.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406688436456,"sku":"XX-T9-UK","price":134.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406688469224,"sku":"XX-T9-DE","price":134.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406688501992,"sku":"XX-T9-AU","price":134.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406688534760,"sku":"XX-T9","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/XX-T9_1.jpg?v=1781684472"},{"product_id":"nobsound-av-525-hifi-bluetooth-5-0-vacuum-tube-amplifier-coaxial-optical-integrated-audio-amp","title":"Nobsound AV-525 HiFi Bluetooth 5.0 Vacuum Tube Amplifier Coaxial \/ Optical Integrated Audio Amp","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 18.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 18.6667px; background-color: #ffffff;\"\u003eWarm tips:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 300; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 14pt; font-family: 'Times New Roman';\"\u003eO\u003c\/span\u003e\u003cspan style=\"color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 300; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 14pt; font-family: 'Times New Roman';\"\u003enly in the condition of large dynamic music and much bass effect the VU meter will work.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"font-family: 'Times New Roman'; font-size: 14pt;\" id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli\u003eWith 5 kinds of analog and digital audio input (Bluetooth 5.0 \/ USB \/ Coaxial \/ Optical \/ 2 groups of RCA), compatible with almost all audio devices such as MP3, phone, tablet, computer, CD players etc. to meet different needs of home audio systems. U-disk input supports lossless formats such as APE, FLAC, WAV etc., easy to enjoy HiFi music.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eBesides speaker output (4\/6\/8Ω), a low frequency output is specially designed to connect active subwoofer to build 2.1 channel audio systems, which can strengthen bass sound effects to bring more shocking experience just like in the cinema. With treble and bass control to bring more delicate sound according to your own listening style.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eIntegrated design of vacuum tubes and transistors, using EL84\/6K4\/5726 tube for pre-amplificatoin, WY2P tube for rectification, the sound is clear, warm, smooth and delicate. And using 4PCS Toshiba 5200 and 4PCS 1943 transistors for power amplification, dual toroidal transformers is added that can stably output max 100W in each channel, easily to drive all home passive speakers.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman';\"\u003eUnique design and attractive appearance, exquisite black panel and retro vacuum tube are combined that looks luxurious and elegant. With dual VU meter to dynamically to decorate the listening enjoyment, and display screen can show the working status in real time, very suitable for home and desktop audio system use.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 14pt; font-family: 'Times New Roman';\"\u003eParameters\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14pt;\" id=\"pastingspan1\"\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eAudio input: Bluetooth \/ 2 groups of RCA \/ USB(U-disk) \/ Coaxial \/ Optical\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eAudio output: speaker jack \/ low frequency output (connect active subwoofer)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eU-disk supported sampling rate: 16Bit\/48KHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eU-disk supported formats: MP3\/WAV\/APE\/FLAC\/WMA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eU-disk max storage capacity: 128G\u003c\/span\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eBluetooth version: 5.0\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eOutput impedance: 4-16Ω \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eRated output power: 100W+100W @4Ω\u003c\/span\u003e\n\u003cdiv\u003e                                   70W+70W @8Ω\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eFrequency response: 20HZ-20KHZ(±2dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003ePower consumption: 300W\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eInput impedance: 47KΩ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eInput sensitivity: 800mV\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eTreble and Bass range: ±9dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eSignal to noise ratio: ≥88dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eSeparation: ≥80dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eTHD: 0.1%(1KHz)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eDimensions(W*D*H): 330*315*160mm \/ 12.99*12.44*6.30in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003ePackage dimensions(W*D*H): 380*350*210mm\/ 14.96*13.78*8.30in\u003c\/span\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eNet weight: 7.16kg \/ 15.79lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003ePackage weight: 9.0kg \/ 19.84lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv style=\"font-size: 14pt; font-family: 'Times New Roman';\" id=\"pastingspan1\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14pt; font-family: 'Times New Roman';\" id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli\u003e1*Tube Amplifier\u003c\/li\u003e\n\u003cli\u003e1*Power Cord\u003c\/li\u003e\n\u003cli\u003e1*Remote Control(without battery)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47401194062056,"sku":"DJ525-US","price":459.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47401194094824,"sku":"DJ525-UK","price":459.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47401194127592,"sku":"DJ525-DE","price":459.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47401194160360,"sku":"DJ525-AU","price":459.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47401194193128,"sku":"DJ525","price":459.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_8f496a06-9534-4515-951b-17845ca919db.jpg?v=1761544234"},{"product_id":"douk-audio-t6pro-hifi-tpa3255-bluetooth-tube-amplifier-with-vu-meter-300watts-x2","title":"Douk Audio T6PRO HIFI TPA3255 Bluetooth Tube Amplifier with VU Meter 300Watts x2","description":"\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eIntroduction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eT6PRO is a compact tube amplifier designed by Douk Audio, combining cool design with exceptional performance. Adopting the comnbination of JAN5725 tubes and TPA3255 amp chip, the power output up to 300W for each channel can effortlessly drive 4-8Ω speakers, delivering impressive sound quality. With Bluetooth, 2 groups of stereo RCA and 3.5mm AUX inputs, 3.5mm AUX preamp output besides speaker jacks output, easily to build multi-channel systems. Besides common treble and bass control, super bass low to 20Hz is added to achieve shocking bass effects. A whole piece of cool dark VU meter is used with dual panels and pointers swinging in real-time with audio signal changes, to get both auditory and visual enjoyment.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDual VU meter but in one visual dashboard: T6PRO designed with dual cool VU meters but in a whole piece of big board, looks more unique and magnificent. The pointer dynamically swings with changes in the audio signal, combining aesthetic appeal with strong functional features but also helping you adjust the audio volume in real-time to prevent overload and distortion.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eHybrid design but strong output: T6PRO features JAN5725 tubes working at 100V for the true tube amplification and delivering a warm and rich experience. TPA3255 high-end digital class D amp chip, max power output of per channel can up to 300W and effortlessly drive 4-8Ω speakers. Its compact size makes it suitable for various applications, from bookshelves and desktop setups to home theaters.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eVersatile inputs and preamp output: besides Bluetooth 5.1 supports APTX-HD and LDAC, T6PRO with 3.5mm AUX and 2 groups of stereo RCA inputs, multiple devices can be connected and switched at one time and avoid plugging cables repeatedly. Also features its 3.5mm AUX preamp output, another amplifier and active speaker\/subwoofer can be connected to build 2.1 or multi-channel home theater systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eSuper bass and audiophile-grade components: besides common treble and bass adjustments to custom-tailor your preferred sound, super bass knob low to 20Hz is added to to achieve shocking bass effects. T6PRO adopts QCC5125 Bluetooth chip, Germany WIMA, Japanese ELNA and Rubycon capacitors, professional audio inductors and all-sealed precision potentiometer etc. to deliver exceptional clarity and low distortion.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003eRefined craftsmanship and attractive appearance: CNC-machined, customized all-aluminum alloy construction, ensuring both longevity and a luxurious feel; much larger speaker binding post to pass through higher power safely. VU meters to show the volume in real-time, harmoniously combine retro charm with contemporary design, let us experience a HIFI musical journey through time via Douk Audio T6PRO.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWarm tips:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1.The 3.5mm AUX output is pre-amplified, its output level and the speaker jacks output are controlled by the main volume synchronously.\u003cbr\u003e2.Default comes with optional 32V\/5A and 48V\/5A power adapter, if you want higher power output please replace another larger power adapter with high-quality by yourself.\u003cbr\u003e3.There are two sensitivity adjustments for VU meters on the side panel of T6PRO, one is responsible for the left channel and the other is for the right.\u003cbr\u003e4. T6PRO default comes with JAN5725 tubes, can be replaced directly by 6J1, 6J2, 6J3, 6J4, 6J5, 6K4, 6*IN, 6*4N, 6*5N, 5654, 6AK5, EF95, 6BA6, 403B etc.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBrand: Douk Audio \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eModel: T6PRO\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio input: Bluetooth 5.1\/2 groups of stereo RCA \/ 3.5mm AUX\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio output: banana speaker jacks \/ 3.5mm AUX\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBluetooth version: QCC5125 (support APTX\/APTX-HD\/LDAC)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSampling rated BT supported: 24bit\/96Khz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMax output power: 300Wx2 (@4Ω)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMatched speaker impedance: 4-8Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTone control range \/ center frequency:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTreble: ±8dB \/ 10KHz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBass: ±6dB \/ 200Hz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSuper bass: ±10dB \/ 20Hz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency response: 20Hz-20KHz (±1dB)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput sensitivity: 0.775V\/0dBFS\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMax output level of AUX: 3V\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTHD: 0.01%\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSNR: ≥102dB\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWorking voltage: DC 24-48V\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimensions(W*D*H): 140*165*69mm \/ 5.51*6.50*2.72in\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage dimensions(W*D*H): 250*228*110mm \/ 9.84*8.98* 4.33in\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight: 1.4kg \/  3.09lb\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight (with 32V Power Adapter): 2.1kg \/ 4.63lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight (with 48V Power Adapter): 2.4kg \/ 5.29lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePower Output Table of T6PRO\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ctable style=\"border-collapse: collapse; width: 51.1937%; height: 190px;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 24.362%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePower Supply\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSpeaker Impedance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eRated Output Power\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 57px; width: 24.362%;\" rowspan=\"3\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e32V\/5A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e78W+78W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e6Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e71W+71W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e8Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e65W+65W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 57px; width: 24.362%;\" rowspan=\"3\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e48V\/5A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e120W+120W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e6Ω  \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e110W+110W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e8Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e102W+102W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 57px; width: 24.362%;\" rowspan=\"3\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e48V\/10A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e250W+250W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e6Ω  \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e210W+210W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e8Ω \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e185W+185W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×T6PRO Amplifier\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2×JAN5725 Tube\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×DC 32V Power Adapter (Optional)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×DC 48V Power Adapte(Optional)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×Bluetooth Antenna\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"Black \/ Without Power Adapter \/ US","offer_id":47198674256104,"sku":"SUC-T6-PRO-H-DJ-US","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Without Power Adapter \/ UK","offer_id":47406656487656,"sku":"SUC-T6-PRO-H-DJ-UK","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Without Power Adapter \/ EU","offer_id":47406656520424,"sku":"SUC-T6-PRO-H-DJ-DE","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Without Power Adapter \/ AU","offer_id":47406656553192,"sku":"SUC-T6-PRO-H-DJ-AU","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Without Power Adapter \/ Other","offer_id":47406656585960,"sku":"SUC-T6-PRO-H-DJ","price":149.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 32V\/5A Power Adapter \/ US","offer_id":46051437641960,"sku":"SUC-T6-PRO-H-32V-US","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 32V\/5A Power Adapter \/ UK","offer_id":47406656618728,"sku":"SUC-T6-PRO-H-32V-UK","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 32V\/5A Power Adapter \/ EU","offer_id":47406656651496,"sku":"SUC-T6-PRO-H-32V-DE","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 32V\/5A Power Adapter \/ AU","offer_id":47406656684264,"sku":"SUC-T6-PRO-H-32V-AU","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 32V\/5A Power Adapter \/ Other","offer_id":47406656717032,"sku":"SUC-T6-PRO-H-32V","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 48V\/5A Power Adapter \/ US","offer_id":46051437674728,"sku":"SUC-T6-PRO-H-48V-US","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 48V\/5A Power Adapter \/ UK","offer_id":47406656749800,"sku":"SUC-T6-PRO-H-48V-UK","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 48V\/5A Power Adapter \/ EU","offer_id":47406656782568,"sku":"SUC-T6-PRO-H-48V-DE","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 48V\/5A Power Adapter \/ AU","offer_id":47406656815336,"sku":"SUC-T6-PRO-H-48V-AU","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ With 48V\/5A Power Adapter \/ Other","offer_id":47406656848104,"sku":"SUC-T6-PRO-H-48V","price":179.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ Without Power Adapter \/ US","offer_id":47630782464232,"sku":"SUC-T6-PRO-Y-DJ-US","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ Without Power Adapter \/ UK","offer_id":47630782497000,"sku":"SUC-T6-PRO-Y-DJ-UK","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ Without Power Adapter \/ EU","offer_id":47630782529768,"sku":"SUC-T6-PRO-Y-DJ-DE","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ Without Power Adapter \/ AU","offer_id":47630782562536,"sku":"SUC-T6-PRO-Y-DJ-AU","price":139.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ Without Power Adapter \/ Other","offer_id":47630782595304,"sku":"SUC-T6-PRO-Y-DJ","price":149.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 32V\/5A Power Adapter \/ US","offer_id":47630782628072,"sku":"SUC-T6-PRO-Y-32V-US","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 32V\/5A Power Adapter \/ UK","offer_id":47630782660840,"sku":"SUC-T6-PRO-Y-32V-UK","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 32V\/5A Power Adapter \/ EU","offer_id":47630782693608,"sku":"SUC-T6-PRO-Y-32V-DE","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 32V\/5A Power Adapter \/ AU","offer_id":47630782726376,"sku":"SUC-T6-PRO-Y-32V-AU","price":159.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 32V\/5A Power Adapter \/ Other","offer_id":47630782759144,"sku":"SUC-T6-PRO-Y-32V","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 48V\/5A Power Adapter \/ US","offer_id":47630782791912,"sku":"SUC-T6-PRO-Y-48V-US","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 48V\/5A Power Adapter \/ UK","offer_id":47630782824680,"sku":"SUC-T6-PRO-Y-48V-UK","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 48V\/5A Power Adapter \/ EU","offer_id":47630782857448,"sku":"SUC-T6-PRO-Y-48V-DE","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 48V\/5A Power Adapter \/ AU","offer_id":47630782890216,"sku":"SUC-T6-PRO-Y-48V-AU","price":169.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ With 48V\/5A Power Adapter \/ Other","offer_id":47630782922984,"sku":"SUC-T6-PRO-Y-48V","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/2_50de7eae-3cbe-4cb3-8241-a1c686cc6c8d.jpg?v=1745486199"},{"product_id":"douk-audio-dac-q11-hifi-ess9038-akm4493-usb-dac-audio-adapter-coax-opt-d-a-converter-dsd256","title":"Douk Audio DAC-Q11 HiFi ESS9038Q2M+AK4493 USB DAC Audio Adapter COAX\/OPT D\/A Converter DSD256","description":"\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWarm tips:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1. For safer and faster delivery, the remote control may not include batteries (2*AAA), please prepare it by yourself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2. For Win7, PC-USB can only be recognized when the driver is installed. For other systems, the driver is only required when playing DSD files.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e3. 2 groups of Stereo RCA and 3.5mm AUX output can work at the same time, and the volume of the outputs is controlled simultaneously.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4. There are 3 working modes with 2 different sound effects, supporting simultaneous output of AK4493 or ESS9038Q2M to groups 1 and 2, or AK4493 output to group 1 and ESS9038Q2M output to group 2.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSwitchable dual DAC chips: Pioneering the world's first DAC chip switching technology, backed by a proprietary patent, adopts 2pcs of DAC chips – ESS9038Q2M and AK4493. The groundbreaking design enables users to enjoy the robust dynamics of the ESS9038Q2M or the refined tones of the AK4493, vastly enhancing personalized audio experiences and pioneering new frontiers in the HiFi realm. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHigh-performance: Offering an exceptional SNR (≥117dB) and ultra-low THD of 0.0003%, ensuring the high-quality conversion of audio signals. PC-USB input supports 32Bit\/384kHz transmission and DSD256 playback, suitable for users who pursue ultimate sound quality.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMultiple inputs and outputs: Support Optical, Coaxial, and PC-USB inputs, compatible with audio sources such as mobile phones, computers, and digital players. With 2 sets of RCA and 2 sets of AUX outputs, providing users with a wide range of connection options, facilitating integration with various audio sources and playback devices, and adapting to different usage scenarios.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDual OLED display \u0026amp; Large volume knob: 2 PCS of OLED screens can display real-time sampling rates, volume levels, and decoding chip statuses, enhancing user convenience. Designed with an easy-to-use large-sized volume control knob, ensuring that users can make delicate and precise volume adjustments to meet personalized listening preferences.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eExquisite and charming appearance: The top is designed with a glass window, showcasing the internal structure and augmenting visual effects. Equipped with remote control for easier operation; adopting CNC technology for integrated molding, combined with anodizing process treatment, meets modern aesthetics and a commitment to premium quality.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio input: PC-USB \/  Coaxial \/ Optical\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio output: 2 groups of Stereo RCA \/ 2 groups of AUX\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDAC chips: ESS9038Q2M+AK4493\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMax sampling rate supported:\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePC-USB: PCM 32bit \/ 384KHz DSD256\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eCoaxial \/ Optical: 24bit \/ 192KHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePC-USB operation system supported: \u003cspan\u003eWindows \u003c\/span\u003e\u003cspan\u003e10\/11\u003c\/span\u003e\u003cspan\u003e, macOS, and mobile devices\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency response: 20Hz-20KHz (±0.3dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTHD+N: 0.0003%@1kHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSNR: ≥117dB \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eRated output level: \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAK4493:1.8V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 40px; text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eESS9038Q2M:2V\u003c\/span\u003e\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWorking voltage: DC 12V≥1.5A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimensions(W*D*H): 155*125*42mm \/ 6.10*4.92*1.65in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight: 590 \/ 1.30lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight: 1.10kg \/ 2.43lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*DAC-Q11\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*DC12V Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*USB Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Optical Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Remote Control (without batteries)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47406446346472,"sku":"SUC-DAC-Q11-US","price":149.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406446379240,"sku":"SUC-DAC-Q11-UK","price":149.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406446412008,"sku":"SUC-DAC-Q11-DE","price":149.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406446444776,"sku":"SUC-DAC-Q11-AU","price":149.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406446477544,"sku":"SUC-DAC-Q11","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-DAC-Q11_1.jpg?v=1719385937"},{"product_id":"douk-audio-ns-13g-max-hifi-mini-2-channel-stereo-audio-amplifier-class-d-power-amp-with-phono-300w-2","title":"Douk Audio NS-13G MAX HiFi Mini 2-Channel Stereo Audio Amplifier Class D Power Amp with Phono 300W*2","description":"\u003cdiv style=\"text-align: left;\"\u003eNote:\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e1. The 3.5mm AUX output and the speaker jacks output are controlled by the main volume and bass\/treble synchronously.  \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e2. Default comes with 48V\/5A power adapter, if you want higher power output please prepare another larger power adapter with high quality by yourself.  \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003eStrong compatibility: with MM phono\/stereo RCA input, NS-13G MAX is compatible with most audio devices including turntables, laptops, computers, CD\/DVD players, TV etc. Besides banana speaker outputs, a 3.5mm AUX output is added to connect another amplifier or active speaker\/subwoofer to build 2.1 or multi-channel audio system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-quality audio components: with TPA3255 amplifier chip adopted, max output power can reach 600W(300W*2), comes with 48V\/5A power supply, easy to drive most home passive speakers and delivers exceptional sound quality with high efficiency \u003cspan\u003eand \u003c\/span\u003elow distortion. The inclusion of the NE5532P op amp chip, along with RUBYCON and WIMA capacitors, ensures overall performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eInnovative heat dissipation design: side and bottom vents are strategically placed to deliver superior heat dissipation while simultaneously preventing dust accumulation. This refined design not only maintains excellent operating performance but also significantly extends the device's lifespan.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eFlexible audio customization\u003c\/span\u003e: tone\u0026amp;bypass switch \u003cspan\u003eand pluggable op amp socket are adopted\u003c\/span\u003e, very convenient to use and\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eprovide more playability\u003c\/span\u003e. The tone\/bypass switch enables to fine-tune your audio or directly obtain pure, unprocessed audio when detail and clarity are paramount.\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eNE5532P op amp can be replaced by most dual op-amp like OPA2604, OPA2134, MUSE02 etc.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eRobust and stylish appearance \u003c\/span\u003e: customized aluminum case with multiprocess fine treatment and CNC precision cutting; metal DC outlet, no electric sparks flying\u003cspan\u003e.\u003c\/span\u003e \u003cspan\u003eWith stylish closure and compact size, \u003c\/span\u003eNS-13G MAX is perfectly suitable for desktop or a smaller space in home or office, easy to connect to your audio system, especially designed for the audiophiles who pursue HiFi sound. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003eParameters\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003eAudio inputs: RCA\/MM phono\u003c\/li\u003e\n\u003cli\u003eAudio outputs: Banana speaker jacks\/3.5mm AUX\u003c\/li\u003e\n\u003cli\u003eAmp chip: TPA3255\u003c\/li\u003e\n\u003cli\u003eMax output power: 300W*2 (4Ω)\u003c\/li\u003e\n\u003cli\u003eOutput impedance: 4Ω-8Ω\u003c\/li\u003e\n\u003cli\u003eBass\u0026amp;Treble adjustment range: ±6dB\u003c\/li\u003e\n\u003cli\u003eInput sensitivity: Phono: 5mV    RCA: 2V\u003c\/li\u003e\n\u003cli\u003eTHD+N: 0.005%@1kHz\u003c\/li\u003e\n\u003cli\u003eSNR: ≥107dB\u003c\/li\u003e\n\u003cli\u003eAUX output level: 2.4V\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20Hz-20KHz (±1dB)\u003c\/li\u003e\n\u003cli\u003eWorking voltage: DC 24-48V\u003c\/li\u003e\n\u003cli\u003eDimensions (W*D*H): 130*102*38mm\/5.12*4.02*1.50in\u003c\/li\u003e\n\u003cli\u003eNet weight: 513g\/1.13lb\u003c\/li\u003e\n\u003cli\u003ePackage weight: 1.3kg\/2.87lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003ePower Output Table of NS-13G MAX\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eSpeaker Impedence\u003c\/td\u003e\n\u003ctd\u003eRated Output Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e32V\/5A\u003c\/td\u003e\n\u003ctd\u003e4Ω\u003c\/td\u003e\n\u003ctd\u003e78W+78W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω\u003c\/td\u003e\n\u003ctd\u003e71W+71W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω\u003c\/td\u003e\n\u003ctd\u003e65W+65W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e48V\/5A\u003c\/td\u003e\n\u003ctd\u003e4Ω\u003c\/td\u003e\n\u003ctd\u003e120W+120W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω\u003c\/td\u003e\n\u003ctd\u003e110W+110W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω\u003c\/td\u003e\n\u003ctd\u003e102W+102W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e48V\/10A\u003c\/td\u003e\n\u003ctd\u003e4Ω\u003c\/td\u003e\n\u003ctd\u003e250W+250W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω\u003c\/td\u003e\n\u003ctd\u003e210W+210W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω\u003c\/td\u003e\n\u003ctd\u003e185W+185W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003ePacking list\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e1* NS-13G MAX Amplifier\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e1* DC 48V\/5A Power adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47198659444968,"sku":"SUC-NS-13G-MAX-48V-S-US","price":114.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406582071528,"sku":"SUC-NS-13G-MAX-48V-S-UK","price":114.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406582104296,"sku":"SUC-NS-13G-MAX-48V-S-DE","price":114.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406582137064,"sku":"SUC-NS-13G-MAX-48V-S-AU","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406582169832,"sku":"SUC-NS-13G-MAX-48V-S","price":114.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-NS-13G-MAX_4.jpg?v=1736329504"},{"product_id":"douk-audio-vu3pro-amplifier-speaker-selector-vu-meter-2-in-2-out-switcher-box","title":"Douk Audio VU3PRO Amplifier\/Speaker Selector VU Meter 2-IN-2-OUT Switcher Box","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eNote: Only the yellow VU meter version is available currently, the blue version is coming soon.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan\u003eFeatures\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eVU3 Pro Amplifier\/Speaker Selector: The fully upgraded version of VU3, with great improvements in size, functions and performance. 2-IN-2-OUT (Two groups of speaker jacks support output at the same time), flexible to switch and make a comparison between 2 amplifiers and 2 pairs of speakers, no need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eMax. 350W Power Transmission and Super Compatibility: With the growing popularity of high-power amplifiers, the power requirements for switchers have also increased. With a maximum pass-through of 350W, the VU3Pro supports various types of high-power digital and tube amplifiers (BTL, Class A, Class B, Class AB, Class D, etc.), including 300W TPA3255 amps and floorstanding speakers.  \u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eCustom-made Large and High-playability VU Meters: The VU3Pro features dual large VU meters and a bigger chassis, perfectly compatible with more audio devices in size. It offers 35 backlight colors and 5 brightness levels to suit various scenarios. Additionally, it supports 20 levels of gain and 30 levels of sensitivity adjustments, ensuring perfect alignment with different audio signals and allowing you to enjoy the vibrant audio-visual feast. \u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eWired\/Wireless Inputs and Easy to Use: VU3Pro adds mic pickup, just put it near your audio system, clear indicators in two warm and vintage VU meters will strikingly show every beat of music and dynamically activate your audio feast. With a button and remote control, effortlessly switch most settings at your fingertips and simplify the process of A\/B comparison, and all settings will be saved after shutdown.\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003ePremium Components for the Purest Sound Quality: VU3Pro integrates AC 250V 5A large current relay, isolated and high precision HL current sensor, built-in high-power load resistors to protect class A tube amplifier from damage when no load, solid CNC aluminium alloy panel and metal chassis, large pure copper speaker jacks etc., ensures virtually no impact or loss in sound quality and allows you to enjoy the purest high-fidelity sound.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eWarm tips\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1. Two groups of Speaker 1 and Speaker 2 can output at the same time.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2.  The VU meters won't work normally if the speakers output of VU3Pro isn't connected to the speakers. If you only want the VU meters function, please choose MIC input.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e3. Don't connect VU3PRO to amplifiers whose actual output power is greater than 350W, otherwise the VU meters may be damaged.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e4. For safer and faster delivery, the remote control may not include batteries (AAA*2), please prepare it yourself.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eComparision between VU3 and VU3Pro\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"margin-left: 0px; margin-right: auto; width: 100.062%;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 58.5992%;\"\u003eItem\u003c\/td\u003e\n\u003ctd style=\"width: 1.81818%;\"\u003eVU3Pro\u003c\/td\u003e\n\u003ctd style=\"width: 38.9316%;\"\u003e\u003cspan\u003eVU3\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 58.5992%;\"\u003eSize of VU Meter\u003c\/td\u003e\n\u003ctd style=\"width: 1.81818%;\"\u003e85*45mm\/3.35*1.77in\u003c\/td\u003e\n\u003ctd style=\"width: 38.9316%;\"\u003e\u003cspan\u003e60*35mm\/2.36*1.38in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 58.5992%;\"\u003eDimensions of Chassis\u003c\/td\u003e\n\u003ctd style=\"width: 1.81818%;\"\u003e268*155*75mm\/10.55*6.10*2.95in \u003c\/td\u003e\n\u003ctd style=\"width: 38.9316%;\"\u003e\u003cspan\u003e178*118*68mm\/7.01*4.65*2.68in \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 58.5992%;\"\u003eMIC Input\u003c\/td\u003e\n\u003ctd style=\"width: 1.81818%;\"\u003eSupport\u003c\/td\u003e\n\u003ctd style=\"width: 38.9316%;\"\u003e\u003cspan\u003e×\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 58.5992%;\"\u003e\u003cspan\u003eSimultaneous Output\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 1.81818%;\"\u003eSupport\u003c\/td\u003e\n\u003ctd style=\"width: 38.9316%;\"\u003e\u003cspan\u003e×\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 58.5992%;\"\u003e\u003cspan\u003eSeparate Gain Adjustment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 1.81818%;\"\u003e20-level\u003c\/td\u003e\n\u003ctd style=\"width: 38.9316%;\"\u003e\u003cspan\u003e×\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 58.5992%;\"\u003e\u003cspan\u003eSeparate Sensitivity Adjustment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 1.81818%;\"\u003e30-level\u003c\/td\u003e\n\u003ctd style=\"width: 38.9316%;\"\u003e\u003cspan\u003e×\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 58.5992%;\"\u003e\u003cspan\u003eBacklight Color Adjustment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 1.81818%;\"\u003e35 kinds\u003c\/td\u003e\n\u003ctd style=\"width: 38.9316%;\"\u003e\u003cspan\u003e×\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 58.5992%;\"\u003e\u003cspan\u003eBacklight Brightness Adjustment \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 1.81818%;\"\u003e5-level\u003c\/td\u003e\n\u003ctd style=\"width: 38.9316%;\"\u003e\u003cspan\u003e4-level\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 58.5992%;\"\u003e\u003cspan\u003eMax. Pass-through Power\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 1.81818%;\"\u003e350W\u003c\/td\u003e\n\u003ctd style=\"width: 38.9316%;\"\u003e\u003cspan\u003e300W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 58.5992%;\"\u003e\u003cspan\u003eUSB 5V Power Adapter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 1.81818%;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"width: 38.9316%;\"\u003e\u003cspan\u003e×\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eModel: VU3Pro\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDiameter of VU meter: 85*45mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio input\/output: 2 groups of banana female\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking mode: 2-IN-2-OUT\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMax. through power of each channel supported (in acutal):\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cspan\u003e350W@4Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cspan\u003e200W@2Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eAmplifier type supported: all kinds of types (BTL\/Class A\/Class B\/Class D digital amp\/tube amp)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAmplifier no-load protection: support\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency response: 30Hz-20kHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBacklight color: 35 kinds of color selection or automatic change\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBacklight brightness: 5 levels (Off-30%-50%-80%-100%)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eGAIN: 20 levels\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSensitivity: 30 levels\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMIC pick-up: support\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRemote control: support\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSettings saved after shutdown: support\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking voltage: DC 5V ≥2A\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePower interface: Type-C\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDimensions (W*D*H): 268*155*75mm \/ 10.55*6.10*2.95in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage dimensions (W*D*H): 380*220*95mm \/ 14.96*8.66*3.74in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNet weight: 1.61kg \/ 3.55lb\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage weight: 2.00kg \/ 4.41lb\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003ePacking List：\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*VU3Pro\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*Power Adapter\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan\u003e1*Remote Control (without battery)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1*USB Cable(type-c)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"Yellow \/ US","offer_id":46655169954024,"sku":"XX-VU3-PRO-L-US","price":154.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ UK","offer_id":47406396571880,"sku":"XX-VU3-PRO-L-UK","price":154.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ EU","offer_id":47406396604648,"sku":"XX-VU3-PRO-L-DE","price":154.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ AU","offer_id":47406396637416,"sku":"XX-VU3-PRO-L-AU","price":154.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ Other","offer_id":47406396670184,"sku":"XX-VU3-PRO-L","price":154.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ US","offer_id":46655169986792,"sku":"XX-VU3-PRO-B-US","price":149.99,"currency_code":"USD","in_stock":false},{"title":"Blue \/ UK","offer_id":47406396702952,"sku":"XX-VU3-PRO-B-UK","price":149.99,"currency_code":"USD","in_stock":false},{"title":"Blue \/ EU","offer_id":47406396735720,"sku":"XX-VU3-PRO-B-DE","price":149.99,"currency_code":"USD","in_stock":false},{"title":"Blue \/ AU","offer_id":47406396768488,"sku":"XX-VU3-PRO-B-AU","price":149.99,"currency_code":"USD","in_stock":false},{"title":"Blue \/ Other","offer_id":47406396801256,"sku":"XX-VU3-PRO-B","price":159.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/XX-VU3PRO_1.jpg?v=1724806976"},{"product_id":"douk-audio-k5-usb-dac-headphone-amplifier-opt-digital-to-analog-converter-dsd256","title":"Douk Audio K5 USB DAC Headphone Amplifier OPT Digital to Analog Converter DSD256","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDouk Audio K5 USB DAC \u0026amp; Headphone Amp: Featuring USB and SPDIF optical inputs, as well as optical, RCA and 6.35\/3.5mm jack outputs, the K5 serves as a high-performance headphone amplifier, a USB DAC, a preamp, but also a USB to optical converter to transmit the high-quality audio from the computer to those audio devices only with SPDIF digital input such as CD players, amplifiers and active speakers etc.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHigh-end Chipset and Top-level Parameters: The K5 adopts ESS9038Q2M (DAC), SA9312 (DSP), OPA1678 (LPF) and SGM8262 (amp) op-amps, and supports PCM 32bit\/384kHz high-resolution decoding and DSD256 playback. Its excellent circuit design ensures superior performance with a SNR over 121dB, a low noise floor of only 3μV and an incredibly low THD of 0.0007%, K5 delivers an exceptional listening pleasure with its ultra-pure sound.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eStrong Power and High\/Low Gain Modes: K5 supports dual 6.35\/3.5mm headphone outputs and provides robust power of 560mW\/470mW@32Ω per channel to effortlessly unleash the best performance of your headphones. Specially designed with high and low gain modes, flexibly adapt to all headphones of a wide impedance range from 16Ω to 600Ω and tailor your own listening experience.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTone Control with Bypass and Gain Switch: Treble and bass with midpoint positioning for perfect balance, the K5 also features a bypass function to remove all tone controls, allowing you to enjoy the purest sound by toggling the switch to PURE. The USB Type-C input can power the K5 directly with sufficient current, it also has an external power port and includes a 2-in-1 USB cable (Type-C and USB-A) for broader compatibility and optimal performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eUser-Friendly Design for Easy Operation: Besides input, tone and gain one-click switch , the K5 also integrated the volume and power button into one to simplify the use; with colorful LED indicators, clearly show the current working mode and sampling rate; aluminum alloy body and CNC-molded, compact but durable and reliable, very suitable for those who pursue HIFI sound.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWarm Tips:\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1. The K5 USB DAC is not compatible with Win7 system.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2.The USB input (type-C) can transmit audio signals and provide power to the K5. If the current is above 2A, there is no need to use the external DC power interface. If less than 2A, please use the supplied high-quality DC5V\/2A power adapter to ensure the performance of the K5.\u003cbr\u003e3. The volume and tone knobs only control the analog audio outputs (RCA\/6.35 \/ 3.5mm jacks), invalid for the optical output.\u003cbr\u003e4. The optical output is only valid when using the USB input. While the analog outputs of RCA, 6.35 and 3.5mm jacks will work no matter using the USB or Optical input.\u003cbr\u003e5. For DSD playback, no USB driver is required if the computer is running MAC OS, linux or Android systems. While for Windows system, please contact us for the USB driver or download directty from the user manual.\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBrand: Douk Audio\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eModel: K5\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio input: USB\/Fiber Optical\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio output: Optical\/Stereo RCA\/6.35mm  \u0026amp; 3.5mm headphone jack\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eChipsets: ESS9038Q2M+SA9312\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFormat and sampling rate supported:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eUSB: PCM44.1-384K\/16-32bit, DSD64-256\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSPDIF: PCM 44.1-192K\/16-24bit, DSD64 (DOP)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency response: 20-40kHz(±0.3dB)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTreble adjustment: 3K-20KHz \/ ±10dB\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBass adjustment: 20-250Hz \/ ±10dB\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePure mode: support (Tone control not valid)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMatched headphone impedance: 16-600Ω \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eRCA Output\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOutput level: 2Vrms\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cbr\u003eTHD+N: \u0026lt;0.0007%\u003cbr\u003eSNR: \u0026gt;120dB\u003cbr\u003eChannel Separation: \u0026lt;-80dB\u003cbr\u003eNoise floor: \u0026lt;3μV (1KHz@300ohm)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHeadphone output \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eGAIN Mode: High (0dB) \/ Low (-6dB)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOutput power in High Gain Mode (THD+N\u0026lt;1%): \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e560mW @32Ω (6.35mm jack output)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e370mW @32Ω (3.5mm jack output)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePeak volltage:\u003cbr\u003e4.25Vrms@32ohm (6.35mm Jack output)\u003cbr\u003e3.45Vrms@32ohm (3.5mm jack output)                    \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTHD+N: \u0026lt;0.0008% @32Ω   \u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSNR: \u0026gt;121dB @32Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eChannel Separation: \u0026lt;-65dB @32Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNoise floor: \u0026lt;3μV\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWorking voltage: DC 5V (≥2A)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePower interface: USB (type-c) \/ DC 5.5*2.1mm\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimensions(W*D*H): 95*92*50mm \/ 3.74*3.62*1.97in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage dimensinos(W'D*H): 225*145*80mm\/ 8.86*5.71*3.15in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight: 228g\/0.50lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight: 500\/1.10lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*K5\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Power Adapter\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*USB Cable\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Optical Cable\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47396587634920,"sku":"DZ103-US","price":79.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47396587667688,"sku":"DZ103-UK","price":79.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47396587700456,"sku":"DZ103-DE","price":79.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47396587733224,"sku":"DZ103-AU","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47396587765992,"sku":"DZ103","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/0_28f8bb54-6c83-47d7-ac65-5199570bb879.jpg?v=1734050707"},{"product_id":"douk-audio-a5-tpa3255-stereo-amp-hifi-audio-class-d-amplifier-high-pass-filter","title":"Douk Audio A5 TPA3255 Stereo Amp HiFi Audio Class D Amplifier High-pass Filter","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv data-mind-map='[{\"type\":5,\"data\":{\"id\":\"\",\"title\":\"HiFi Sound with Adjustable High-Pass Filter: This TPA3255 amplifier features an adjustable high-pass filter (HPF) 30-200Hz to refine mid-high frequencies while minimizing low-frequency interference. Perfect for bookshelf or passive speakers, it enhances clarity and creates a dynamic soundstage ideal for home stereo and theater audio systems.\"}}]'\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003eHiFi Sound with Adjustable High-Pass Filter: This TPA3255 amplifier features an adjustable high-pass filter (HPF) 30-200Hz to refine mid-high frequencies while minimizing low-frequency interference. Perfect for bookshelf or passive speakers, it enhances clarity and creates a dynamic soundstage ideal for home stereo and theater audio systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv data-mind-map='[{\"type\":5,\"data\":{\"id\":\"\",\"title\":\"Easy Customization with Plug-and-Play Op-Amps: Upgrade your sound effortlessly! Douk Audio A5 includes a tempered glass access panel for quick op-amp replacements, allowing audiophiles to tailor sound profiles without disassembling the unit.\"}}]'\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003eEasy Customization with Plug-and-Play Op-Amps: Upgrade your sound effortlessly! Douk Audio A5 includes a tempered glass access panel for quick op-amp replacements, allowing audiophiles to tailor sound profiles without disassembling the unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv data-mind-map='[{\"type\":5,\"data\":{\"id\":\"\",\"title\":\"PFFB Technology and High-Performance PCB: Built with Post-Filter Feedback technology circuit and a 4-layer immersion gold PCB, this digital amplifier reduces distortion and improves frequency response. Enjoy unparalleled audio precision, enhanced signal integrity, and effective heat management.\"}}]'\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003ePFFB Technology and High-Performance PCB: Built with Post-Filter Feedback technology circuit and a 4-layer immersion gold PCB, this digital amplifier reduces distortion and improves frequency response. Enjoy unparalleled audio precision, enhanced signal integrity, and effective heat management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv data-mind-map='[{\"type\":5,\"data\":{\"id\":\"\",\"title\":\"Stunning Design for Living Rooms and Studios: Sleek and modern, the compact power amp is equipped with a transparent panel and adjustable internal LED lighting. Multiple color options create a futuristic look, adding sophistication to your home audio setup or studio.\"}}]'\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003eStunning Design for Living Rooms and Studios: Sleek and modern, the compact power amp is equipped with a transparent panel and adjustable internal LED lighting. Multiple color options create a futuristic look, adding sophistication to your home audio setup or studio.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"text-align: left;\" data-mind-map='[{\"type\":5,\"data\":{\"id\":\"\",\"title\":\"300W×2 Power with Premium Components: Powered by the TPA3255 chip and premium components, A5 delivers distortion-free audio with ultra-low THD (0.002%) which is perfectly compatible with the DAC-Q11. Whether you’re enjoying weekend movie nights, evening music sessions, or after-work relaxation, A5 can deliver exceptional sound quality.\"}}]'\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e300W×2 Power with Premium Components: Powered by the TPA3255 chip and premium components, A5 delivers distortion-free audio with ultra-low THD (0.002%) which is perfectly compatible with the DAC-Q11. Whether you’re enjoying weekend movie nights, evening music sessions, or after-work relaxation, A5 can deliver exceptional sound quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003eWarm tips\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003eThe A5 with 2PCS pluggable NE5532 op-amps, can be upgraded by dual op-amps like 2134\/2604\/5532\/2068\/muse02 etc.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003eParameters\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: A5\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: Stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio output: Banana speaker jacks\/3.5mm AUX\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-pass filter adjustment range: 30Hz-200Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMax. output power: 300W*2 (4Ω\u003c\/span\u003e\u003cspan\u003e)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMatched speaker impedance: 4-8Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTHD+N: 0.002%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSNR: \u003c\/span\u003e\u003cspan\u003e≥\u003c\/span\u003e\u003cspan\u003e114dB\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput sensitivity: 2V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eAUX\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003er\u003c\/span\u003eated output level\u003cspan\u003e: 3.7V\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency response: 20Hz-20kHz (±\u003c\/span\u003e\u003cspan\u003e0.7dB)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking voltage: \u003c\/span\u003eDC 24-48V\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 95*92*50 \/ 3.74*3.62*1.97in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 265*240*65mm \/ 10.43*9.45*2.56in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 506g \/ 1.12lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight(with 32V5A power supply): 1100g \/ 2.43lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight(with 48V5A power supply): 1200g \/ 2.65lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan\u003ePower Output Table of  The A5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Supply\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSpeaker Impedance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRated Output Power\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\u003cspan\u003e32V\/5A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e78W+78W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e71W+71W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e65W+65W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\u003cspan\u003e36V\/6A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e107W+107W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e100W+100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e94W+94W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\u003cspan\u003e48V\/5A\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e120W+120W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e110W+110W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e102W+102W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\n\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e48V\/10A\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e250W+250W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e210W+210W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e185W+185W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv style=\"text-align: left;\"\u003ePacking list\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* A5 Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* DC 32V\/5A Power Adapter(Optional)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* DC 48V\/5A Power Adapter(Optional)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"With 32V\/5A Power Supply \/ US","offer_id":47038634918120,"sku":"SUC-A5-32V-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Supply \/ UK","offer_id":47406571225320,"sku":"SUC-A5-32V-UK","price":89.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Supply \/ EU","offer_id":47406571258088,"sku":"SUC-A5-32V-DE","price":89.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Supply \/ AU","offer_id":47406571290856,"sku":"SUC-A5-32V-AU","price":89.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Supply \/ China","offer_id":47406571323624,"sku":"SUC-A5-32V","price":89.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Supply \/ US","offer_id":47038634950888,"sku":"SUC-A5-48V-S-US","price":109.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Supply \/ UK","offer_id":47406571356392,"sku":"SUC-A5-48V-S-UK","price":109.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Supply \/ EU","offer_id":47406571389160,"sku":"SUC-A5-48V-S-DE","price":109.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Supply \/ AU","offer_id":47406571421928,"sku":"SUC-A5-48V-S-AU","price":109.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Supply \/ China","offer_id":47406571454696,"sku":"SUC-A5-48V-S","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_c512f7bf-2c6e-4b53-8779-6dce46d2356d.jpg?v=1733980976"},{"product_id":"douk-audio-a5-pro-tpa3255-bluetooth-amplifier-hifi-class-d-stereo-audio-amp","title":"Douk Audio A5 PRO TPA3255 Bluetooth Amplifier HiFi Class D Stereo Audio Amp","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eUpgraded Features for Versatile Use\u003c\/span\u003e: The A5 PRO builds on the strengths of the A5, featuring upgraded Bluetooth 5.1 connectivity with a reset button, bass and treble knobs for precise\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003etone\u003c\/span\u003e adjustments, and a headphone output. It delivers clear, powerful audi\u003cspan\u003eo, \u003c\/span\u003eperfect for diverse uses from bedroom movies to\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003edesktop\u003c\/span\u003e setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eEasy Customization with Plug-and-Play Op-Amps: Upgrade your sound effortlessly! Douk Audio A5 \u003cspan\u003ePRO\u003c\/span\u003e includes a tempered glass access panel for quick op-amp replacements, allowing audiophiles to tailor sound profiles without disassembling the unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003ePFFB Technology and High-Performance PCB: Built with Post-Filter Feedback technology circuit and a 4-layer immersion gold PCB, this digital amplifier reduces distortion and improves frequency response. Enjoy unparalleled audio precision, enhanced signal integrity, and effective heat management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eStunning Design for Living Rooms and Studios: Sleek and modern, the compact power amp is equipped with a transparent panel and adjustable internal LED lighting. Multiple color options create a futuristic look, adding sophistication to your home audio setup or studio.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eImpressive Power Output: The A5 PRO delivers a maximum output of 300W\u003c\/span\u003e\u003cspan\u003e×\u003c\/span\u003e\u003cspan\u003e2 with TPA3255, perfect for driving high-power systems, and 500mW@32Ω \u003c\/span\u003e\u003cspan\u003efor detailed, dynamic headphone listening.\u003c\/span\u003e \u003cspan\u003eWith premium components like Rubycon\/WIMA capacitors, it\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eensures optimal performance with bookshelf speakers and other devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eWarm tips\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv\u003e1. The A5\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ePRO\u003c\/span\u003e with 2PCS pluggable NE5532 op-amps, can be upgraded by dual op-amps like 2134\/2604\/5532\/2068\/muse02 etc.\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2. The speaker output, AUX and 3.5mm headphone jack output can work at the same time, and the volume\/treble\/bass of the three outputs are controlled simultaneously.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: A5 PRO\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: Bluetooth \/ Stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio output: Banana speaker jacks \/ AUX \/ 3.5mm headphone jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeadphone output power: 500mW\/32Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMatched headphone impedance: 16-600Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax. output power: 300W*2 (4Ω)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMatched speaker impedance: 4-8Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency response: 20Hz-20KHz (±1dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTHD+N: 0.003%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSNR: ≥113dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBass\/treble range: ±6dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBluetooth version: 5.1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRCA input sensitivity: 2V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAUX rated output level: 3.7V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorking voltage: DC 24-48V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 130*112*33mm \/ 5.12*4.41*1.30in \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 265*240*65mm \/ 10.43*9.45*2.56in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 525g \/ 1.16lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1.2kg \/ 2.65lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003ePower Output Table of  A5 PRO\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable style=\"margin-left: 0px; margin-right: auto;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eSpeaker Impedance\u003c\/td\u003e\n\u003ctd\u003eRated Output Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e32V\/5A\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e78W+78W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e71W+71W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e65W+65W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e36V\/6A\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e107W+107W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e100W+100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e94W+94W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e48V\/5A\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e120W+120W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e110W+110W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e102W+102W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\n\u003cbr\u003e48V\/10A\u003cbr\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e4Ω \u003c\/td\u003e\n\u003ctd\u003e250W+250W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6Ω \u003c\/td\u003e\n\u003ctd\u003e210W+210W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω \u003c\/td\u003e\n\u003ctd\u003e185W+185W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003ePacking list\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* A5 PRO Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* DC 32V\/5A Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* Bluetooth Antenna\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1* User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"With 32V\/5A Power Adapter \/ US","offer_id":47198645092584,"sku":"SUC-A5-PRO-32V-US","price":114.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Adapter \/ UK","offer_id":47406404370664,"sku":"SUC-A5-PRO-32V-UK","price":114.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Adapter \/ EU","offer_id":47406404403432,"sku":"SUC-A5-PRO-32V-DE","price":114.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Adapter \/ AU","offer_id":47406404436200,"sku":"SUC-A5-PRO-32V-AU","price":114.99,"currency_code":"USD","in_stock":true},{"title":"With 32V\/5A Power Adapter \/ Other","offer_id":47406404468968,"sku":"SUC-A5-PRO-32V","price":114.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Adapter \/ US","offer_id":47198645125352,"sku":"SUC-A5-PRO-48V-S-US","price":134.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Adapter \/ UK","offer_id":47406404501736,"sku":"SUC-A5-PRO-48V-S-UK","price":134.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Adapter \/ EU","offer_id":47406404534504,"sku":"SUC-A5-PRO-48V-S-DE","price":134.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Adapter \/ AU","offer_id":47406404567272,"sku":"SUC-A5-PRO-48V-S-AU","price":134.99,"currency_code":"USD","in_stock":true},{"title":"With 48V\/5A Power Adapter \/ Other","offer_id":47406404600040,"sku":"SUC-A5-PRO-48V-S","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-A5-PRO_1.jpg?v=1740377698"}],"url":"https:\/\/doukaudibestseller.com\/es-ca\/collections\/hot.oembed","provider":"Douk Audio","version":"1.0","type":"link"}