{"title":"AUDIO ACCESSORIES","description":"","products":[{"product_id":"nobsound-stb-02-aluminum-record-clamp-turntable-weight-disc-stabilizer-420g","title":"Nobsound STB-02 Aluminum Record Weight Clamp for Vinyl Record Player Turntable Disc Stabilizer","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNobsound STB-02 high quality record stabilizer is ideal for maintaining stability, and improving acoustic quality. Piano notes become crystal-clear, mid-range is vibrant and alive, while vocals soar realistically.\u003c\/span\u003e\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBrand: Nobsound \/ Douk Audio\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eModel: STB-02\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eColour: Black \/ Red\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMaterial: aluminum\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSurface process: oxidation treatment and laser engraving\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDiameter: 80 mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHeight: 40 mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSpindle hole diameter: 7.2 mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWeight: 460g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003chr data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eErgonomic shape provides easy accident free handling, Precision fabrication and exquisite finish makes it exceptionally durable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReduces resonance, vibration, and improves sound quality. Includes soft base pad to protect LP covers. Shipping with protective carry case.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eManufactured from high quality non-magnetic Aluminum, Spindle hole fit most of existing turntable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFor resonance vibration, stabilizing rotational speed, Lowers Noise Floor Significant, Provides Pure Signal Retrieval,Gives Realistic Sound Reproduction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePerfectly finished and balanced, Improves Stereo Image and Focusing, Stabilizes Sound Image, Gives Improved Signal when Burning Quality CDs from LPs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003chr data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003ePackage includes\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" 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 × STB-02 Record stabilizer\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"Black","offer_id":43055305294056,"sku":"DZ053H","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":43055305326824,"sku":"DZ053R","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/DZ053H_10.jpg?v=1652245607"},{"product_id":"nobsound-turntable-disc-stabilizer-record-weight-clamp-for-lp-vinyl-players","title":"Nobsound STB-01 Record Weight \/ Clamp for LP Vinyl Players Turntable Disc Stabilizer","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFor Resonance Vibration, Stabilizing Rotational Speed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLowers Noise Floor Significant\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eProvides Pure Signal Retrieval\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eGives Realistic Sound Reproduction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eImproves Stereo Image and Focussing, Stabilizes Sound Image\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eGives Improved Signal when Burning Quality CDs from LPs\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\u003eParameters\u003c\/strong\u003e\u003c\/div\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 \/ Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eModel: STB-01\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMaterial: Zinc alloy\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSurface treatment: gold-plated\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e Diameter: 80mm \/ 3.14in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e Height: 30mm \/ 1.18in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e Shaft hole diameter: 7mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e Net Weight: 230g\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv 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 × Record Stabilizer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1 × Packing Box\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"Gold","offer_id":43056887562472,"sku":"GFJ442G","price":32.99,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":43056887595240,"sku":"GFJ442S","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/GFJ442G-Y_1.jpg?v=1650875372"},{"product_id":"little-bear-50-60hz-stroboscopic-speed-strobe-light-tachometer-disc-for-turntable-lp-records","title":"Little Bear Mini 50\/60Hz Stroboscopic Speed Strobe Light+Tachometer Disc for Turntable LP Records","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\"\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003eFeatures\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003eCan generate the corresponding 50\/60HZ frequency flash source according to the frequency of household power supply 50\/60HZ, almost suitable for being used in all countries in the world.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003eUsed with the tachometer disc in the package to adjust the speed of your record player to the most accurate position and ensure the most accurate sound output.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003eThe strobe light uses 15VAC power supply, and the ultra-low voltage is used to ensure that you are protected from electric shock during use, and it is safe and effective.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003e3W high brightness LED output, can be used in any environment. Whether day or night, indoor or outdoor. Small size, easy to use and convenient to collect.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003eHow to use:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003e1. Place the tachometer disc on the turntable of the record player and turn on your turntable.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003e2. Turn on the strobe light, align the light to the tachometer disc , try to put it closer and about 5-10 CM is appropriate.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003e3. Eyes staring at the corresponding 33.3\/45 speed stripe on the tachometer disc.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003eIf the stripes of the LED light must be stable and not moving, the rotation speed is correct;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003eIf the stripes on the disc are moving slowly clockwise, the turntable is running fast;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003eIf the stripes on the disc are moving slowly anticlockwise, the turntable is running slow. \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003e4. If your turntable is adjustable, please adjust the rotation speed of the disc until the corresponding speed strip stops.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003e5. If your turntable is not adjustable, first try a new drive belt. Drive belts can stretch over time causing minor speed variations. Great speed variations are more likely to be mechanical issues.\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003e6. After adjusting the speed, remove the tachometer disc and put your vinyl record on the record player to hear the most accurate music. \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003ePacking List\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003e1* Strobe Light\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003e1* Tachometer Disc\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan style=\"font-family: Times New Roman,Times,serif;\"\u003e1* Power Supply\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47408638394600,"sku":"GFJ706-US","price":36.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47408638427368,"sku":"GFJ706-UK","price":36.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47408638460136,"sku":"GFJ706-DE","price":36.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47408638492904,"sku":"GFJ706-AU","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47408638525672,"sku":"GFJ706","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/GFJ706-2024_1.gif?v=1710494071"},{"product_id":"douk-audio-ct-01-box-8-pin-dual-bias-current-probes-tester-meter-for-el34-kt88-6l6-6v6-6550-kt66-tube","title":"Douk Audio CT1-BOX 8-Pin Dual Bias Current Probes Tester w\/VU Meter for EL34 KT88 6L6 6V6 6550 KT66 Tube","description":"\u003c!-- x-tinymce\/html --\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\"\u003eCT1-BOX is designed by Douk Audio, in order to measure the cathode current of the power tube for bias reading (at low voltage side of the tubes), suitable for EL34, KT88, 6L6, 6V6, 5881, 6550, KT66, KT100, KT120, 7027 etc., equipped with large current meter, easily and distinctly to read.\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\"\u003eCeramic socket and gold pins for longer service life, tough gold pins with a thick gold plating.\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\"\u003eDual larger current meter reader, max test current range up to 100mA.\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\"\u003eAdopting copper wire to ensure excellent conductivity.\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\"\u003eEach probe tester is soldered by outstanding craftmanship.\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\"\u003eMetal case, more solid and with better shielding performance.\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\"\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: CT1-BOX\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\"\u003eDC Plug: 5.5\/2.2 mm\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\"\u003eLength of tube socket cable: 23cm\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\"\u003eMaterial of tube socket: ceramic\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\"\u003eRange of current meter: 100mA\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 of box (W*D*H): 150*106*70mm \/ 5.90*4.17*2.75in\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: 500g \/ 1.10lb\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: 1000g \/ 2.20lb\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\u003eHow to use it ?\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eTurn off your amplifier, and connect two probe testers separately to the A and B interface of CT1-BOX.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eRemove the power tubes, insert them into the bias probe sockets.\u003c\/li\u003e\n\u003cli\u003eInsert bias meter probes into the tube sockets of the amplifier.\u003c\/li\u003e\n\u003cli\u003eTurn on your power amp, let the tubes get warm about 5 minutes, then read the bias measurement.\u003c\/li\u003e\n\u003cli\u003eThe left current meter is reading \"A\" input, and the right current meter is reading for \"B\" input. If the reading value of both are the same, that's perfect. If not , the difference should be no more than 2mA or 3mA for a good balance between the tubes.\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 Pair × Probe Tester\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 × Current Meter Box\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47408671129832,"sku":"XX-CT1-BOX-US","price":56.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47408671162600,"sku":"XX-CT1-BOX-UK","price":56.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47408671195368,"sku":"XX-CT1-BOX-DE","price":56.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47408671228136,"sku":"XX-CT1-BOX-AU","price":56.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47408671260904,"sku":"XX-CT1-BOX","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/XX-CT1-BOX_14.jpg?v=1652160518"},{"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":"little-bear-vu56-pro-dual-channel-led-sound-level-meter-mic-music-spectrum-visualizer-audio-splitter","title":"Douk Audio VU56PRO MIC+LINE Stereo RGB LED Sound Level Meter Audio Splitter Switcher Music Spectrum Visualizer","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 id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\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\"\u003eVU56 PRO is the original and upgraded music spectrum designed by Douk Audio. 56 bit in per channel, 112 bit stereo display, ultra-high resolution, easily to see the music level status in real time, every slight change of sound can be shown visually, with much kinds of display effects to dynamically decorate your listening enjoyment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTwo display mode, PPM (peak programme meter, 0dB=1.5Vpp) and VU (volume unit, 0dB=0.775Vrms) mode, to satisfy different display requirements. The color of main bar and peak LED can be switched green or red freely, and it also supports 8 kinds of display effects to get 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\"\u003eUnique and attractive design, besides MIC pick-up, VU56 PRO also can be used as an audio converter \/ splitter with its RCA and 3.5mm AUX inputs and outputs. All interfaces are \u003cspan data-mce-fragment=\"1\"\u003egold-plated to \u003c\/span\u003eensure the tight connection, effectively reduce the sound transmission loss, provides both visual and auditory feast.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWith full function remote control, all settings can be easily adjusted from the distance and will be saved even shutdown. Powered by USB 5V, convenient to use at home desktop \/ office \/ studio etc., and the power is only for reading the sound signal to the display main board but nor affect the sound quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eProper size with exquisite appearance, cool aluminum CNC black case, solid and durable. \u003cspan data-mce-fragment=\"1\"\u003eMulti-function settings, meet all usage requirements. \u003c\/span\u003e112-bit LED indicators and switchable color design look amazing and dynamic, can compatible with most common audio devices and perfectly match with a variety of usage scenarios.\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 data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eWarm tips\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003e VU56 PRO supports PPM (peak programme meter, 0dB=1.5Vpp) and VU (volume unit, 0dB=0.775Vrms) mode, if you use it only for dynamic display, recommend PPM mode, VU mode is more suitable for professional use.\u003c\/li\u003e\n\u003cli\u003efor safer and faster delivery, the remote control may not include batteries (CR2025 3V), please prepare it by yourself.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio input: 1 group*RCA \/ 1 group*3.5mm AUX \/ Microphone\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio output: 1 group*RCA \/ 1 group*3.5mm AUX\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMax. input level: 2.5Vrms\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMax.effective input level: 1.8Vrms (VU56 PRO will always be full display when exceed this)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMonitoring frequency range: 20Hz-20KHz\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eInput impedance: 10KΩ\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBrightness adjustment: supported (4 levels)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDisplay color: green \/ red (switchable)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDisplay effects: 8 kinds\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRemote control: supported\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDisplay length gain: 3 levels adjustable(-3dB,0dB,+3dB)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDisplay mode: PPM mode (peak programme meter) \/ VU Mode (volume unit)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHolding time of peak LED: adjustable\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDrop speed of main bar\/peak LED: adjustable\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWorking voltage: DC 5V (≥1A)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePower interface: Micro USB\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDimensions: 154*116*47mm \/ 6.06*4.57*1.85in\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNet weight: 400g \/ 0.88lb\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePackage weight: 600g \/ 1.32lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\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 data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e1*VU56 PRO Sound Level Meter\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e1*Remote Control(Without CR2025 battery)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e1*USB Cable\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e1*3.5mm AUX Cable\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e1*User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47411250594024,"sku":"XX-VU56-PRO-US","price":69.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47411250626792,"sku":"XX-VU56-PRO-UK","price":69.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47411250659560,"sku":"XX-VU56-PRO-DE","price":69.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47411250692328,"sku":"XX-VU56-PRO-AU","price":69.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47411250725096,"sku":"XX-VU56-PRO","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/XX-VU56PRO_3.jpg?v=1650962908"},{"product_id":"douk-audio-hifi-3-5mm-male-to-male-stereo-audio-cable-auxiliary-aux-cord-for-car-home","title":"Douk Audio HiFi 3.5mm Male to Male Stereo Audio Cable Auxiliary\/AUX Cord for Car\/Home","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv align=\"center\"\u003e\u003cstrong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal Compatibility: Douk Audio 3.5mm Audio Cable can be easily connected to any devices with 3.5mm aux port, such as Laptops, Smartphones, Tablets, MP3 Players, Car Stereos, tablets, MP3 players, Speakers, Hi-Fi. It is compatible with all audio devices with 3.5mm audio port.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eExcellent high-quality materials: using high-purity 99.99% copper wire, gold-plated 3.5mm connectors with rhodium soldering points, also with independent copper braided and aluminum foil shielding, provide maximum's conductivity and durability, maximum protection and against electro magnetic interference (EMI) and radio frequency interference (RFI).\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent Audio Quality: oxygen-free tinned copper, with all-around optimal shielding and multi-protection, ensuring high fidelity sound quality and without current noise. Seamlessly transmits stereo audiobringing you different auditory experience. It's very suitable for music enthusiasts who desire a realistic reproduction of music with hi-fidelity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eIncredibly Durable and Friendly Design: gold-plated copper connectors casings resist corrosion and ensure optimum sound quality. 10000+ bend lifespan \u0026amp; high flexible jacket improve the durability and tangle free, offer added strength and flexibility, allowing for easy placement even in tight spaces. \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\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Douk Audio\u003c\/li\u003e\n\u003cli\u003eCable type: Auxiliary\u003c\/li\u003e\n\u003cli\u003eConnector type: 3.5mm jack\u003c\/li\u003e\n\u003cli\u003eConnector gender: male to male\u003c\/li\u003e\n\u003cli\u003eMaterial of connector: gold-plated\u003c\/li\u003e\n\u003cli\u003eMaterial of wire: multicore high purity 99.99% copper\u003c\/li\u003e\n\u003cli\u003eOther material:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003ehigh-density copper wire shielding\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003e99.99% aluminum foil shielding\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eStrong tensile cotton\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eanti-interference filtering magnetic ring\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eTechnology: Oyaide tin soldering ( 4.7% silver)\u003c\/li\u003e\n\u003cli\u003eCompatible devices: Laptops, Smartphones, Tablets, MP3 Players, Car Stereos, tablets, MP3 players, Speakers etc.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × 3.5mm AUX Cable \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"0.75m \u0026 2.46ft \/ US","offer_id":43065982517480,"sku":"PJ345-A-0.75M-US","price":11.0,"currency_code":"USD","in_stock":false},{"title":"0.75m \u0026 2.46ft \/ UK","offer_id":47890830885096,"sku":"PJ345-A-0.75M-UK","price":11.0,"currency_code":"USD","in_stock":true},{"title":"0.75m \u0026 2.46ft \/ 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data-mce-fragment=\"1\" id=\"pastingspan1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWarm tips: 1PC can connect 1 speaker (positive and negative), one pair speaker please buy 2PCS.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003chr data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\" id=\"pastingspan1\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\" id=\"pastingspan1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" id=\"pastingspan1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHigh-quality speaker cable with gold-plated pure copper plugs, create a secure connection, speciailly connected between speakers, amplifiers, A\/V units and more, take away the hassle of cutting \/ fiddling around with speaker wire. Pro-grade quality suitable for audiophiles, the best long-term choice for your high quality speaker system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDouk Audio speaker cables are made from premium materials for a pro-grade output.\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\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDual conductor 14 AWG oxygen-free copper wire and the surface is tin-plated, provide sound with clarity, sonic accuracy \u0026amp; minimal signal distortion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eYanornis pure copper gold-plated banana plugs with a lantern structure, not only corrosion-resistant, but also with a large contact area with the terminal to get excellent transmission, and not oxidized even after long time use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWire jacket and insulating layer adopts imported plastic material, features low signal attenuation and loss, high transmission rate, oxidation resistanceetc.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\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\"\u003eHigh-end look with PVC braided jacket wrapped around speaker wire, giving them extra protection to your speakers' finish allowing Pro-grade sound quality yet retaining the flexibility of ordinary speaker wire. 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Other","offer_id":47819098783976,"sku":"PJ371-3m","price":49.99,"currency_code":"USD","in_stock":true},{"title":"3.5m \u0026 11.48ft \/ US","offer_id":43066022363368,"sku":"PJ371-3.5m-US","price":53.99,"currency_code":"USD","in_stock":true},{"title":"3.5m \u0026 11.48ft \/ UK","offer_id":47819098816744,"sku":"PJ371-3.5m-UK","price":53.99,"currency_code":"USD","in_stock":true},{"title":"3.5m \u0026 11.48ft \/ EU","offer_id":47819098849512,"sku":"PJ371-3.5m-DE","price":53.99,"currency_code":"USD","in_stock":true},{"title":"3.5m \u0026 11.48ft \/ AU","offer_id":47819098882280,"sku":"PJ371-3.5m-AU","price":53.99,"currency_code":"USD","in_stock":true},{"title":"3.5m \u0026 11.48ft \/ Other","offer_id":47819098915048,"sku":"PJ371-3.5m","price":53.99,"currency_code":"USD","in_stock":true},{"title":"5.0m \u0026 16.40ft \/ US","offer_id":43066022396136,"sku":"PJ371-5m-US","price":71.99,"currency_code":"USD","in_stock":true},{"title":"5.0m \u0026 16.40ft \/ UK","offer_id":47819098947816,"sku":"PJ371-5m-UK","price":71.99,"currency_code":"USD","in_stock":true},{"title":"5.0m \u0026 16.40ft \/ EU","offer_id":47819098980584,"sku":"PJ371-5m-DE","price":71.99,"currency_code":"USD","in_stock":true},{"title":"5.0m \u0026 16.40ft \/ AU","offer_id":47819099013352,"sku":"PJ371-5m-AU","price":71.99,"currency_code":"USD","in_stock":true},{"title":"5.0m \u0026 16.40ft \/ Other","offer_id":47819099046120,"sku":"PJ371-5m","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/PJ371-NEW_2.jpg?v=1651024006"},{"product_id":"nobsound-4pcs-aluminum-spring-speaker-spikes-hifi-amplifier-isolation-stand-feet-mat-pads","title":"Nobsound 4PCS Aluminum Spring Speaker Spikes Pads Isolation Stand Feet Mat for HiFi Amplifier \/ CD Player","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan class=\"short_text\" data-mce-fragment=\"1\"\u003eMaterials\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e:\u003c\/span\u003e \u003cspan data-mce-fragment=\"1\"\u003eAluminum alloy: with high \u003cspan class=\"tran\" data-group=\"2_2\" data-mce-fragment=\"1\"\u003ehardness\u003c\/span\u003e and \u003cspan class=\"tran\" data-group=\"3_3\" data-mce-fragment=\"1\"\u003edensity\u003c\/span\u003e has low harmonic vibration point and high damping\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnti-sk\u003cspan data-mce-fragment=\"1\"\u003eid rubber: absorbing additional vibration and achieve higher quality of listening pleasure, improve sound clarity, stereo imaging and bass response.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\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\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan class=\"short_text\" data-mce-fragment=\"1\"\u003eDesign: CNC machined and spring isolation stand feet is easier to install, no need to make holes and no need to use double-sided adhesive to avoid damaging your equipment. Especially it's convenient for you to\u003cspan data-mce-fragment=\"1\"\u003e adjust load bearing by moving or adding springs\u003c\/span\u003e which can make sound feeling different.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFunction: using isolation stand feet is to suspend acoustic feedback from your speakers or sub-woofer isolation for vibration.  The tones will be more focused, lighter and with less noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eApplicable objects: suits many audio devices such as speakers, amplifiers,tube amp, instrument, turntable, CD\/DVD players, recorders, DAC and so on. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMaterial: \u003cspan data-mce-fragment=\"1\"\u003ealuminum alloy\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDiameter: 45mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHeight: 38mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNet weight: 380g (95g×4）\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eLoad bearing: 50KG\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\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv 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\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e8*Isolation stand pad (with 28*spring)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e8*Anti-skid rubber\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":47408646815976,"sku":"PJ472-US","price":35.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47408646848744,"sku":"PJ472-UK","price":35.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47408646881512,"sku":"PJ472-DE","price":35.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47408646914280,"sku":"PJ472-AU","price":35.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47408646947048,"sku":"PJ472","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/PJ472-NEW_16.jpg?v=1651106590"},{"product_id":"16-bit-mic-sound-level-meter-music-spectrum-visualizer-audio-display-analyzer","title":"Douk Audio 16-Bit MIC Sound Level Meter Music Spectrum Visualizer Analyzer Car Audio Display","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e【Visualizing Dynamic Music】With 16 vivid blue LED lamp beads, highly sensitive microphone pickup and noise filtering function, AK_DB16L_MIC provides different display modes and all items are adjustable, incomparably and perfectly make music alive.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e【Advanced and Powerful Function】The AGC algorithm ensures the best display effects when the input signal changes. Display mode, peak, brightness, speed, sensitivity can all be adjusted freely to satisfy different needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e【Premium Quality \u0026amp; Wide Usage】Covered by an aluminum alloy one-time molding case, simply but strong. A great gift for friends, colleagues, music-lovers, designers etc., can be applied in many place such as LED DJ stage, Car Interior Decor, Party, Music Festival, Concert etc.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e【Relaxing Work \u0026amp; Spark Inspiration】Place it on your office desk, bedside table or in your car to create a relaxing and inspiring atmosphere. By activating the environment, it helps to relieve your pressure and trigger your idea.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eWarm tips\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cul\u003e\n\u003cli\u003ePowered by DC 5V (Micro-USB), exceed 5V will result in damage.\u003c\/li\u003e\n\u003cli\u003eIf you buy 2PCS or more, please make sure that the current of power supply is sufficient to drive all music levels lights, each one needs 0.3A.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eModel: AK_DB16L_MIC\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSignal acquisition: microphone pickup\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAdjustable items: display mode \/ sensitivity \/ speed \/ brightness \/etc.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWorking voltage: DC 5V ( ≥0.3A )\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePower interface: Micro-USB\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMaterial: One-piece molding and anodizing\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSoftware supported: ambient noise filtering\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 181*15*16mm \/ 7.13*0.59*0.63in\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNet weight: 86g \/ 0.19lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\" style=\"text-align: left;\"\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 data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1 × 16-Bit Music Levels Light\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1 × Micro-USB Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406849130728,"sku":"PJ600-US","price":39.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406849163496,"sku":"PJ600-UK","price":39.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406849196264,"sku":"PJ600-DE","price":39.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406849229032,"sku":"PJ600-AU","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406849261800,"sku":"PJ600","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/PJ600-NEW_1.jpg?v=1651043013"},{"product_id":"douk-audio-vu22-dual-analog-vu-meter-display-db-panel-mic-line-sound-level-meter","title":"Douk Audio VU22 Dual Analog VU Meter Display DB Panel MIC+LINE Sound Level Meter","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv align=\"center\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cb\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 VU22 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\"\u003eFeatures\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWired and wireless audio inputs: with stereo RCA\/3.5mm AUX audio input and microphone pick up, work well with most audio devices such as phone, computer, CD players, or speakers etc., very suitable for home\/office\/studio to dynamically decorate your auditory feast.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent sound and free settings: with 100K high-impedance input circuit, ensuring clean sound without any audio rendering when using line inputs. The color and light level of backlight also can be adjusted freely, perfectly match with different styles of audio device and environments.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eAdvanced AGC algorithm and better display: \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAGC ensures ideal visual effects even the input signal is in a small to large range, avoid that no display when input low signal and display in full screen when input high. \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWith gain adjustment even can set the swing range of pointer, easily to control most input signals and achieve better beating effects. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAttractive looking and powerful design: all metal case with CNC machined panel, solid stepless adjustment knob, all interfaces are gold-plated to ensure the tight connection, ensures the smooth transmission of the original audio signal and minimizes the loss of the signal during transmission.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003eWarm tips:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1. Without power adapter, and VU22 needs to be powered by separate USB power supply, don't use the USB port of computers or share the power supply with audio source, otherwise common ground noise will be caused.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2. Stereo RCA and 3.5mm AUX input are in parallel, two inputs and outputs will work simultaneously, so please don't connect RCA and 3.5mm AUX input at the same time avoid mixing.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio input: stereo RCA \/ 3.5mm AUX \/ Microphone\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eAudio output: stereo RCA \/ 3.5mm AUX\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eInput impedance: 100K\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eInput voltage: 0.1-2Vrms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency response: 5Hz-20KHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBrightness color: switchable\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBrightness level: adjustable\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGain adjustment: support \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWorking voltage: DC 5V (≥1A)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePower interface: USB (type-C)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSetup save: support\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eVU meter diameter: 45mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDimensions(W*D*H): 177*115*59mm \/ 6.97*4.53*2.32in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNet weight: 661g \/ 1.46lb\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 900g \/ 1.98lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e1*VU22 VU Meter\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e1*USB Cable (No power adapter)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e4*Rubber Feet\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1*User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"Black \/ US","offer_id":43368472838376,"sku":"XX-VU22-H-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ UK","offer_id":47406942159080,"sku":"XX-VU22-H-UK","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ EU","offer_id":47406942191848,"sku":"XX-VU22-H-DE","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ AU","offer_id":47406942224616,"sku":"XX-VU22-H-AU","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Other","offer_id":47406942257384,"sku":"XX-VU22-H","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ US","offer_id":43368472871144,"sku":"XX-VU22-S-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ UK","offer_id":47406942290152,"sku":"XX-VU22-S-UK","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ EU","offer_id":47406942322920,"sku":"XX-VU22-S-DE","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ AU","offer_id":47406942355688,"sku":"XX-VU22-S-AU","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Silver \/ Other","offer_id":47406942388456,"sku":"XX-VU22-S","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/XX-VU22.jpg?v=1660878443"},{"product_id":"douk-audio-vfd253-3-5mm-aux-switcher-box-vfd-audio-analyser-bluetooth-5-0-receiver-home-desk-clock","title":"Douk Audio VFD253 3.5mm AUX Switcher Box VFD Audio Analyser Bluetooth 5.0 Receiver Home Desk Clock","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv 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\"\u003eVFD253 integrates mutiple functions into a whole:\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAs an audio spectrum analyzer: adopts dedicated green VFD display screen with 25 × 15 high resolution, guarantee the accuracy of each frequency band. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAs a Bluetooth receiver and audio switcher: besides microphone pickup, also with Bluetooth 5.0 and 2 groups of 3.5mm AUX input, works perfectly with your phone\/PC\/game player\/amplifier\/speaker etc. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAs a high-precision clock: using RX8025T built-in crystal oscillator whose clock accuracy is ±3ppm, year error within 1 minutes, very cool and interesting.\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\"\u003eWide frequency range \u0026amp; special AGC display: 80Hz-16KHz frequency sweep, high-precision display even can do frequency point test. Speical AGC algorithm and customized output curve, ensure ideal visual effects even the input signal is in a small to large range, avoid that no display when input low and display in full screen when input high.\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\"\u003eMany adjustable items \u0026amp; display effects: gain, brighntness, falling speed of main light column, holding time and falling speed of the peak can be adjusted separately. 5 music spectrum display mode and 2 clock display mode,  all settings with power-off memory function, no need to set again after restarting.\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\"\u003eAttractive looking and convenient use: with remote control, easy to adjsut all settings and see the music level status in real time and every slight change of sound.CNC machined aluminum and transparent acrylic case, both solid and beautiful, compact design not occupy your desktop space. \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\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. For safe shipping, the remote control may not include batteries (2*AAA), please prepare by yourself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2. 3.5mm AUX1 and 3.5mm AUX2 cannot input at the same time, only one audio source channel (MIC \/ Bluetooth \/  IN1 \/ IN2) can input at a time.\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\"\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\n\u003cspan data-mce-fragment=\"1\"\u003eDisplay screen: VFD (Vacuum Fluorescent Display)\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\"\u003eResolution: 25 × 15\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 range supported: 80Hz-16KHz\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\"\u003eDisplay item: music spectrum \/ clock\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 signal input:  MIC \/ Bluetooth 5.0 \/ 2 groups of 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 signal output: 1 group of 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\"\u003eWork mode:\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1. Auto mode (display music spectrum when music input, display clock mode when no music input)\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2. Clock display mode (always)\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\"\u003eClock display: 2 kinds \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\"\u003eMusic spectrum display : 5 kinds\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\"\u003eMusic display mode: AGC+customized output curve \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e(Real output \/ Smooth output)\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\"\u003eAdjustable items: main light column falling speed \/ peak holding time \/ peak falling speed\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\"\u003eBrightness adjustment: 5 levels+auto adjustment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eGain adjustment: 5 levels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePower-off memory function: support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRemote control: support\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWorking voltage: DC 5V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimensions(W*D*H): 184*75*66mm \/ 7.24*2.95*2.60in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 322g \/ 0.71lb\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\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\n\u003cspan data-mce-fragment=\"1\"\u003e1× VFD253 Audio Spectrum\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\n\u003cspan data-mce-fragment=\"1\"\u003e1× USB Cable (Type-C)\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× Remote Control (without batteries)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2× Pad (stick to the bottom)\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":"Black \/ US","offer_id":44591335801064,"sku":"XX-VFD253-H-US","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ UK","offer_id":47408619913448,"sku":"XX-VFD253-H-UK","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ EU","offer_id":47408619946216,"sku":"XX-VFD253-H-DE","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ AU","offer_id":47408619978984,"sku":"XX-VFD253-H-AU","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Other","offer_id":47408620011752,"sku":"XX-VFD253-H","price":79.99,"currency_code":"USD","in_stock":true},{"title":"White \/ US","offer_id":44591335833832,"sku":"XX-VFD253-S-US","price":79.99,"currency_code":"USD","in_stock":true},{"title":"White \/ UK","offer_id":47408620044520,"sku":"XX-VFD253-S-UK","price":79.99,"currency_code":"USD","in_stock":true},{"title":"White \/ EU","offer_id":47408620077288,"sku":"XX-VFD253-S-DE","price":79.99,"currency_code":"USD","in_stock":true},{"title":"White \/ AU","offer_id":47408620110056,"sku":"XX-VFD253-S-AU","price":79.99,"currency_code":"USD","in_stock":true},{"title":"White \/ Other","offer_id":47408620142824,"sku":"XX-VFD253-S","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/XX-VFD253_2.jpg?v=1663034549"},{"product_id":"7-83hz-schumann-wave-resonance-ultra-low-frequency-pulse-generator-sleep-relax","title":"7.83HZ Schumann Wave Resonance Ultra-low Frequency Pulse Generator Sleep Relax","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eSchumann wave itself does not make any sound, it is not directly acting on the sound or video products to improve the quality of sound or vision. It's working on the space environment, make the people's physical and mental get relaxed, improve the body's perception of sound and images, improve the human body health and working efficiency,\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e it also has a good effect on insomnia, mental strain and so on. For more information please Google \"\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eSchumann Resonance\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\".\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cblockquote data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eFor audio-visual space - to enhance the sound field and audio-visual effects\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFor the bedroom - to help sleep soothe the nerves, treatment of insomnia\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFor the office - relax and improve work efficiency\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFor the create space - to improve creative inspiration\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFor the tea ceremony, spirituality, realization space - resting body and mind\u003c\/span\u003e \u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e Parameters\u003c\/div\u003e\n\u003cul data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eFrequency: 7.83Hz\u003c\/span\u003e \u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSize: \u003cspan data-mce-fragment=\"1\"\u003e150 * 120 * 40mm \u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWeight: 0.4Kg\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRated voltage: DC 12V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRated current: 1.5A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eApplicable voltage: 100V-240V Universal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eIncluding accessories: DC 12V Power supply.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003chr data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNotes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eThe FM 783 Schumann wave generator is an auxiliary device that acts on the human body at a relatively weak frequency, and Schumann wave will fail in the following cases:\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\u003col data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ethe surrounding environment is too noisy, all kinds of waveform more far than the Schumann wave generator radiation intensity.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e the body is excited, excited state.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e each type of continuity under the big volume of DJ music.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eGeneral application\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eSuggested that the goods placed a height of 1.5 meters, a single product should be in the area of ​​not more than 18 square meters, more than one, please purchase more than one. It is recommended to use a matching linear power supply.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCategory Application\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cu data-mce-fragment=\"1\"\u003e① HIFI Application Principle\u003c\/u\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eDrive off the clutter + clean listening environment + enhance the body perception = system upgrade.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e1, HIFI speaker system applications:\u003cbr data-mce-fragment=\"1\"\u003e18 square meters of kiss environment, Will schumann wave level placed in the middle of the two speakers, after a little, when the conditions allowed to place a height of 1.2-1.5 m, Schumann wave to avoid vibration or anti-vibration treatment can enhance More than 18 square meters of listening environment, it is recommended to buy two, Can be schumann wave put on top of the box or around, Other requirements are the same as above\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e2, Hifi application system:\u003cbr data-mce-fragment=\"1\"\u003eBecause only the use of headphones to listen, in the effect, only the remaining \"to enhance the human body perception\", although the effect of a sudden drop, but still exist.\u003cbr data-mce-fragment=\"1\"\u003e\u003cu data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/u\u003e\u003cu data-mce-fragment=\"1\"\u003e② Film direction application\u003c\/u\u003e\u003cbr data-mce-fragment=\"1\"\u003eThe required number of Schumann wave and placement and HIFI application of the same, for more than 40 square use of the environment HIFI players, Suggested use 4 pieces of Schumann wave generator.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cu data-mce-fragment=\"1\"\u003e③ Help sleep direction:\u003c\/u\u003e\u003cbr data-mce-fragment=\"1\"\u003eBecause each person has a different perception and there are individual differences, some people first application of the middle of the night sleep quality is not too high, after several days to adapt, to achieve deep sleep.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cu data-mce-fragment=\"1\"\u003e④ Creative direction:\u003c\/u\u003e\u003cbr data-mce-fragment=\"1\"\u003eOften used in calligraphy and painting, designers, can meditate;\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cu data-mce-fragment=\"1\"\u003e⑤ Other direction:\u003c\/u\u003e\u003cbr data-mce-fragment=\"1\"\u003eMeditation, Martial arts practice, Taoist culture research, biology, medicine and other direction\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c!-- x-tinymce\/html --\u003eSchumann wave applied to HIFI, the performance in the details of the players require a certain appreciation of the ability, we made a small proposal to the domestic players trial reference:\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003col\u003e\n\u003cli style=\"text-align: left;\"\u003ehas many years of experience in HIFI, can appreciate the advantages and disadvantages of different combinations of equipment capacity.\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003etheir own HIFI equipment level can not be too low\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003ecan be heard, the difference between the different systems on the same line to bring the tone changes (focus).\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47411252855016,"sku":"GFJ489W-US","price":52.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47411252887784,"sku":"GFJ489W-UK","price":52.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47411252920552,"sku":"GFJ489W-DE","price":52.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47411252953320,"sku":"GFJ489W-AU","price":52.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47411252986088,"sku":"GFJ489W","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/13b68c9b-4a2a-4a91-b61a-1e610c01519b.jpg?v=1672306414"},{"product_id":"hifi-pure-brass-turntable-platter-mat-for-vinyl-lp-record-player-2mm-pad-slipmat","title":"HiFi Pure Brass Turntable Platter Mat for Vinyl LP Record Player 2mm Pad Slipmat","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFeatures\u003c\/span\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\"\u003eImprove LP sound quality: the brass turntable mat can resist static electricity, reduce resonance, increase friction to make background more purer, more details, sound clearer and richer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eHigh-end audiophile-grade: this brass slipmat for record players offer a premier quality listening experience because they’re custom cut and made to suit LP Vinyl.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eVintage turntable look : perfect for records, these anti-static mats slide onto your turntable to create a retro look to match any setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBetter match and clear sound: each brass slipmat is designed to better match the LP surface grooves which leads to more definition in mid and lower frequencies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAdvanced dampening ability: the 2mm thickness of record mats also help to reduce rumble and humming noise while also helping prevent records from slipping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eProcessing method: CNC laser cutting → five equal parts \"galaxies\" opening → surface drawing → pickling → passivation\u003c\/li\u003e\n\u003c\/ul\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\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003eParameters\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMaterial: H59 Brass\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eThickness: 2mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDiameter: 293mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eThe center hole diameter: 7.3mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNet weight: 1.2kg\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eProcessing method: CNC laser grinding and pickling\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eElectrical conductivity: good\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMinimize Dust, Static, and Vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr 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*Brass Turntable Platter Mat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47408686563560,"sku":"PJ585-US","price":69.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47408686596328,"sku":"PJ585-UK","price":69.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47408686629096,"sku":"PJ585-DE","price":69.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47408686661864,"sku":"PJ585-AU","price":69.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47408686694632,"sku":"PJ585","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/10_4_530c23e5-fb05-41fe-8079-e75a391ca1ee.jpg?v=1672306723"},{"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-dc-19-24-32-36-48v-power-supply-adapter-ac-100-240v-transformer","title":"Douk Audio DC 19\/24\/32\/36\/48V Power Supply Adapter AC 100-240V Transformer","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\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e【Stable Power and Wide Application】Can constantly output stable enough power, specially designed for Douk Audio \/ Nobsound digital amplifiers to get pure HiFi sound. With good adaptability, also widely used to drive LCD LED Monitor, HDTV, 3D Widescreen, Bluetooth Speaker, Printers etc. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e【Universal Use and Strong Compatibility】Universal wide input voltage of AC 100V-240V 50\/60Hz, a wide range of voltage specifications are available; good adaptability, also widely used to drive LCD LED Monitor, HDTV, 3D Widescreen, Bluetooth Speaker, Printers etc. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e【Top-class Material and Efficient】DC plug size is 5.5mm × 2.5mm and the polarity is inside positive \"+\", outside negative\"-\", compatible with many home electric equippments. High-end components to ensure large power transmission, high efficiency and energy-saving.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e【Safe \u0026amp; Reliable \u0026amp; Durable Use】Certified by FCC, CE, RoHS etc. Adopting the industry's high-end materials and processes, with overcurrent protection, overvoltage protection and overload protection, short-circuit protection, no need to worry about any fires explosions or shocks.\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\"\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\"\u003eIndoor use only, please keep it away from water and fire.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e19V4.74A\u003cbr\u003eOutput voltage: DC 19V\u003cbr\u003eRated Output Current: 4.74A\u003cbr\u003eRated Output Power: 90W\u003cbr\u003ePower Supply Size: 125*55*30mm \/ 4.92*2.17*1.18in\u003cbr\u003eNet weight: 360g \/ 0.79lb\u003cbr\u003ePackage weight: 500g \/ 1.10lb\u003cbr\u003e\u003cbr\u003e24V4.5A\u003cbr\u003eOutput voltage: DC 24V\u003cbr\u003eRated Output Current: 4.5A\u003cbr\u003eRated Output Power: 108W\u003cbr\u003ePower Supply Size: 132*57*38mm \/ 5.20*2.24*1.50in\u003cbr\u003eNet weight: 360g \/ 0.79lb\u003cbr\u003ePackage weight: 500g \/ 1.10lb\u003cbr\u003e\u003cbr\u003e24V6A\u003cbr\u003eOutput voltage: DC 24V\u003cbr\u003eRated Output Current: 6A\u003cbr\u003eRated Output Power: 150W\u003cbr\u003ePower Supply Size: 139*62*32mm\u003cbr\u003eNet weight: 400g\/0.88lb\u003cbr\u003e\u003cbr\u003e32V5A\u003cbr\u003eOutput voltage: DC 32V\u003cbr\u003eRated Output Current: 5A\u003cbr\u003eRated Output Power: 160W\u003cbr\u003ePower Supply Size: 128*59*30mm \/ 5.43*2.32*1.18in\u003cbr\u003eNet weight: 360g \/ 0.79lb\u003cbr\u003ePackage weight: 500g \/ 1.10lb \u003cbr\u003e\u003cbr\u003e36V5A\u003cbr\u003eOutput voltage: DC 36V\u003cbr\u003eRated Output Current: 5A\u003cbr\u003eRated Output Power: 180W\u003cbr\u003ePower Supply Size: 170*70*40mm \/ 6.69*2.76*1.57in\u003cbr\u003eNet weight: 660g\/1.46lb\u003cbr\u003ePackage weight: 900g \/1.98lb \u003cbr\u003e\u003cbr\u003e48V5A\u003cbr\u003eOutput voltage: DC 48V\u003cbr\u003eRated Output Current: 5A\u003cbr\u003eRated Output Power: 240W\u003cbr\u003ePower Supply Size: 170*70*40mm \/ 6.69*2.76*1.57in\u003cbr\u003eNet weight: 1060g\/2.33lb\u003cbr\u003ePackage weight: 1100g \/2.43lb \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003ePacking List\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\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 × DC Power Adapter(optional) \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 × US\/EU\/UK\/AU Power Cord (optional)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"jfk-bubble gtx-bubble\" role=\"alertdialog\" aria-describedby=\"bubble-4\" style=\"visibility: visible; left: 192px; top: 393px; opacity: 1; transition: opacity 0.218s ease-out 0s;\"\u003e\n\u003cdiv class=\"jfk-bubble-content-id\" id=\"bubble-4\"\u003e\n\u003cdiv id=\"gtx-host\" style=\"min-width: 200px; max-width: 400px;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"jfk-bubble-closebtn-id jfk-bubble-closebtn\" aria-label=\"Close\" role=\"button\" tabindex=\"0\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"jfk-bubble-arrow-id jfk-bubble-arrow jfk-bubble-arrowdown\" style=\"left: 194.5px;\"\u003e\n\u003cdiv class=\"jfk-bubble-arrowimplbefore\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"jfk-bubble-arrowimplafter\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"19V\/4.74A \/ USA Plug","offer_id":44586976903400,"sku":"PJ-DY-19V4.74A-US","price":24.99,"currency_code":"USD","in_stock":true},{"title":"19V\/4.74A \/ EU Plug","offer_id":44586976936168,"sku":"PJ-DY-19V4.74A-DE","price":24.99,"currency_code":"USD","in_stock":true},{"title":"19V\/4.74A \/ UK Plug","offer_id":44586976968936,"sku":"PJ-DY-19V4.74A-UK","price":25.99,"currency_code":"USD","in_stock":true},{"title":"19V\/4.74A \/ AU Plug","offer_id":44586977001704,"sku":"PJ-DY-19V4.74A-AU","price":24.99,"currency_code":"USD","in_stock":true},{"title":"24V4.5A \/ USA Plug","offer_id":44586977034472,"sku":"PJ-DY-24V4.5A-US","price":29.99,"currency_code":"USD","in_stock":true},{"title":"24V4.5A \/ EU Plug","offer_id":44586977067240,"sku":"PJ-DY-24V4.5A-DE","price":29.99,"currency_code":"USD","in_stock":true},{"title":"24V4.5A \/ UK Plug","offer_id":44586977100008,"sku":"PJ-DY-24V4.5A-UK","price":31.99,"currency_code":"USD","in_stock":true},{"title":"24V4.5A \/ AU Plug","offer_id":44586977132776,"sku":"PJ-DY-24V4.5A-AU","price":29.99,"currency_code":"USD","in_stock":true},{"title":"24V6A \/ USA Plug","offer_id":44586977165544,"sku":"PJ-DY-24V6A-US","price":36.99,"currency_code":"USD","in_stock":true},{"title":"24V6A \/ EU Plug","offer_id":44586977198312,"sku":"PJ-DY-24V6A-DE","price":36.99,"currency_code":"USD","in_stock":true},{"title":"24V6A \/ UK Plug","offer_id":44586977231080,"sku":"PJ-DY-24V6A-UK","price":36.99,"currency_code":"USD","in_stock":true},{"title":"24V6A \/ AU Plug","offer_id":44586977263848,"sku":"PJ-DY-24V6A-AU","price":36.99,"currency_code":"USD","in_stock":true},{"title":"32V5A \/ USA Plug","offer_id":44586977296616,"sku":"PJ-DY-32V5A-US","price":34.99,"currency_code":"USD","in_stock":true},{"title":"32V5A \/ EU Plug","offer_id":44586977329384,"sku":"PJ-DY-32V5A-DE","price":34.99,"currency_code":"USD","in_stock":true},{"title":"32V5A \/ UK Plug","offer_id":44586977362152,"sku":"PJ-DY-32V5A-UK","price":35.99,"currency_code":"USD","in_stock":true},{"title":"32V5A \/ AU Plug","offer_id":44586977394920,"sku":"PJ-DY-32V5A-AU","price":34.99,"currency_code":"USD","in_stock":true},{"title":"48V5A \/ USA Plug","offer_id":44586977558760,"sku":"PJ-DY-48V5A-US","price":69.99,"currency_code":"USD","in_stock":true},{"title":"48V5A \/ EU Plug","offer_id":44586977591528,"sku":"PJ-DY-48V5A-DE","price":69.99,"currency_code":"USD","in_stock":true},{"title":"48V5A \/ UK Plug","offer_id":44586977624296,"sku":"PJ-DY-48V5A-UK","price":69.99,"currency_code":"USD","in_stock":true},{"title":"48V5A \/ AU Plug","offer_id":44586977657064,"sku":"PJ-DY-48V5A-AU","price":69.99,"currency_code":"USD","in_stock":true},{"title":"48V10A \/ USA Plug","offer_id":47595427758312,"sku":"PJ-DY-48V10A-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"48V10A \/ EU Plug","offer_id":47595427791080,"sku":"PJ-DY-48V10A-DE","price":89.99,"currency_code":"USD","in_stock":true},{"title":"48V10A \/ UK Plug","offer_id":47595427823848,"sku":"PJ-DY-48V10A-UK","price":89.99,"currency_code":"USD","in_stock":true},{"title":"48V10A \/ AU Plug","offer_id":47595427856616,"sku":"PJ-DY-48V10A-AU","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-DY-36V5A-Y_36.jpg?v=1688007250"},{"product_id":"goka-r21j-cartridge-headshell-keeper-turntable-stylus-display-box-phono-shell-case","title":"Nobsound R21J Cartridge Headshell Keeper Turntable Stylus Display Box Phono Shell Case","description":"\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\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\u003cp data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eEnough capacity: Support to place 10 pcs of cartridges, you can put all your collected cartridges in, no need to worry about without a suitable box to store them.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSafe and beautiful: Adpot plastic transparent cover and beech base, all the materials are sturdy and stable enough, also transparent shell can show your collections.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eCompatible with universal headshell: Only compatible with universal headshell (DIY should be aware)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\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\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eModel: 21J\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMaterial: Beech + Plastic + Solid wood\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimensions(W*H): 120*107.5mm \/ 4.72*4.23in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight: 225g \/ 0.5lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight: 400g \/ 0.88lb\u003c\/span\u003e\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\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Headshell Cartridge Keeper\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e \u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47590276464872,"sku":"PJ-GK-R21J-US","price":36.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47590276497640,"sku":"PJ-GK-R21J-UK","price":36.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47590276530408,"sku":"PJ-GK-R21J-DE","price":36.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47590276563176,"sku":"PJ-GK-R21J-AU","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47590276595944,"sku":"PJ-GK-R21J","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/GK-R21J_7.jpg?v=1713244076"},{"product_id":"goka-r21k-turntable-cartridge-alignment-tonearm-record-player-accessories-tuning-kit","title":"Nobsound R21K Turntable Cartridge Alignment Tonearm Record Player Accessories Tuning Kit","description":"\u003cp data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAll-inclusive kit: Each kit includes the necessary accessories for calibration and maintenance of cartridges, and is also equipped with 2 brushes for basic cleaning. The kit is reasonable-matched and can achieve the purpose of cleaning and maintenance at one time.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSimple steps \u0026amp; accurate results: With VTA azimuth ruler, alignment protractor, force gauge and 5 spirit levels to make sure the horizontal position of the record player, so that the stylus can read the music information on the record more correctly and restore the most authentic sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFundamental cleaning and maintenance: With one record brush and one stylus brush to clean dirt and dust of their surface; and also with screws, screwdriver, tweezer and cartridge cable to help you maintain and adjust the phono more conveniently.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSturdy and durable: With a record adapter to improve the sound quality while reducing resonance and vibration; all accessories are packaged in a delicate silver box, without any storage worries, making it very convenient to retrieve them every time you need calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\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 style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimensions(W*D*H): 205*65*213mm \/ 8.07*2.56*8.39in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight: 750g \/ 1.65lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight: 900g \/ 1.98lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Record Brush\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Stylus Brush\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Record Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Stylus Force Gauge\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Azimuth Ruler\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Alignment Protractor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4*Small Bubble Spirit Level\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Big Bubble Spirit Level\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Screw Driver\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1 set*Screws\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*Tweezer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\" data-mce-fragment=\"1\" data-mce-style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4*Cartridge cables\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47408725754088,"sku":"PJ-GK-R21K-US","price":69.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47408725786856,"sku":"PJ-GK-R21K-UK","price":69.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47408725819624,"sku":"PJ-GK-R21K-DE","price":69.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47408725852392,"sku":"PJ-GK-R21K-AU","price":69.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47408725885160,"sku":"PJ-GK-R21K","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/GK-R21K_21.jpg?v=1713244246"},{"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":"the-latest-version-douk-audio-bs-1-hifi-50watt-bass-shaker-subwoofer-transducer-buttkickers-speaker-exciter-for-gaming-home-car","title":"[The Latest Version] Douk Audio BS-1 HiFi 50Watt Bass Shaker Subwoofer Transducer Buttkickers Speaker Exciter For Gaming Home Car","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eWhy BS-1 Bass Shaker is Needed?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eThe human ear has the ability to hear a wide range of sounds, however, some sound is simply too low to hear and must be felt through the body. Feeling this extremely low frequency sound will add a new dimension to your listening, gaming and movie experiences, so bass shakers are emerged. Douk Audio BS-1 bass shakers can provide extremely immersive experience in gaming or movie, you will be able to feel everything from high impact explosions in movies to the subtle feel of road surfaces in racing simulators from the feelings of auditory, vision and body. \u003c\/span\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\n\u003cp\u003eThe fully upgraded version of Douk Audio BS-1 bass shaker, released in May 2025, the performance is greatly improved. A redesigned heat sink significantly improves output efficiency, while chrome-plated pure copper terminals ensure long-term durability and corrosion resistance. The new BS-1 Bass Shaker brings you a whole new level of tactile immersion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\n\u003cspan\u003eBS-1 bass shaker makes movies alive: unlike other speakers just providing a wonderful sound experience, Douk Audio BS-1 adds depth and dimension to your audio, ensuring you don't just hear the sound but feel it too, to provide an extremely immersive experience just like you are the role in the movie.\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\u003cspan\u003eStrong output power brings engaging experience: with 50 watts of nom power at 6 ohms,  BS-1 serves as an efficient exciter speaker to deliver an immersive tactile bass experience. Unlike common subwoofers, the BS-1 will not overload your listening area, and the perceived loudness of the BS-1 improves listening at lower sound volumes. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced transducer speaker technology: the BS-1 turns your home theater sofa or gaming chair into a bass-enhancing transducer speaker, making you feel the vibrations from high impact explosions in movies to the subtle feel of road surfaces in racing simulators, totally perfect for movies, music and gaming.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli\u003e\u003cspan\u003eEasy use and setup for your home\/car system: the BS-1 can be easily connected to a bass shaker amplifier allowing you to upgrade your home theater or gaming setup with minimal hassle. Recommend to install the BS-1 under your seating that is not fixed to the floor to achieve the greatest effects.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan\u003eWarm tips:\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan\u003e1. The impedance of the BS-1 Bass Shaker is 6 ohms. When used in a single unit configuration it must be hooked up to an amplifier that is either stereo or bridged mono, the same way you would connect a subwoofer. \u003cbr\u003e2. Before installing and use, please consult the amplifier manual for the impedance rating of your amplifier. Connecting 2 or 4 or 8 BS-1 bass shakers can be used in situations where more bass energy is desired or in larger applications. Connecting two in Series configuration will raise the impedance to 12 ohms, connecting 2 in parallel will lower the impedance to 3 ohms, and wiring 4 or 8 BS-1 in series-parallel will keep the overall impedance to 6 or 3 ohms. \u003cbr\u003e3. Before connecting the bass shaker amplifier, please consult the amplifier manual to verify it has the power capability that produce the wattage safely at various impedances. WARNING: Don't exceed 50 watts RMS per bass shaker multiplied by the number of shakers (example: 50 x 4 = 200 Watts RMS)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003eSpecifications:\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: BS-1\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eFrequency response: 20-200 Hz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRated impedance AC: 6Ω ± 15% at 22°C\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRated impedance DC: 6Ω ± 10% at 22°C\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eResonance Freq (F0): 30Hz at 22°C ± 20%\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNom input power: 50W\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMax. input power: 100W\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eVibration force peak: 30 lbs. per ft.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDimensions (Max.): 158*145mm \/ 6.22*5.71in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage dimensions(1Pair) (W*D*H): 370*190*90mm \/ 14.57*7.48*3.54in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eNet weight (1PC): 1.48kg \/ 3.26lb\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight(1PC): 2.0kg \/ 4.41lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight(1Pair): 3.5kg \/ 7.72lb\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\u003cspan\u003e1×BS-1 Bass Shaker (Optional)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1 Pair×BS-1 Bass Shaker (Optional)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"1PC \/ US","offer_id":47382644949224,"sku":"NEW-SUC-BS-1-US","price":99.99,"currency_code":"USD","in_stock":true},{"title":"1PC \/ UK","offer_id":47406460141800,"sku":"NEW-SUC-BS-1-UK","price":99.99,"currency_code":"USD","in_stock":true},{"title":"1PC \/ EU","offer_id":47406460174568,"sku":"NEW-SUC-BS-1-DE","price":99.99,"currency_code":"USD","in_stock":true},{"title":"1PC \/ AU","offer_id":47406460207336,"sku":"NEW-SUC-BS-1-AU","price":99.99,"currency_code":"USD","in_stock":true},{"title":"1PC \/ Other","offer_id":47406460240104,"sku":"NEW-SUC-BS-1","price":99.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ US","offer_id":47382644981992,"sku":"NEW-SUC-BS-1-Pair-US","price":179.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ UK","offer_id":47406460272872,"sku":"NEW-SUC-BS-1-Pair-UK","price":179.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ EU","offer_id":47406460305640,"sku":"NEW-SUC-BS-1-Pair-DE","price":179.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ AU","offer_id":47406460338408,"sku":"NEW-SUC-BS-1-Pair-AU","price":179.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ Other","offer_id":47406460371176,"sku":"NEW-SUC-BS-1-Pair","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-BS-1_1.jpg?v=1748589884"},{"product_id":"douk-audio-vu9mini-rgb-led-tube-sound-level-meter-music-spectrum-display","title":"Douk Audio VU9MINI RGB LED Tube Sound Level Meter Music Spectrum Display","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eVU9 MINI Music Visualizer: Transform your desktop into a vibrant soundscape. With a built-in microphone, VU9 MINI captures real-time music and turns every beat into immersive lighting effects, offering dynamic visual feedback.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRetro Nixie Tube Style: VU9 MINI draws inspiration from vintage nixie tubes, echoing their iconic glowing columns in a sleek, modern form. The magnetic tube design ensures effortless installation while adding a touch of retro-futuristic charm. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTotal Control Over Your Ambiance: Fine-tune your lighting with 8 dynamic display modes, full-color presets, adjustable brightness, speed, and gain. Whether for relaxing evenings or energetic parties, VU9 MINI adapts effortlessly to every mood and music style. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eElevate Your Sensory Experience: Perfect for your HiFi system, gaming monitor, or living room, the VU9 MINI syncs with every beat to enhance music and movies. It adds an immersive layer of light that brings your audio to life and deepens your enjoyment. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eThe Perfect Gift for Any Occasion: Powered by USB-C for plug-and-play ease, VU9 MINI is a great gift for music lovers and tech fans alike. Ideal for birthdays, holidays, or desk decor, it brings personality and atmosphere to any personal space, office, or home.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eQ: Does the VU9 MINI come with a power adapter? What are the power requirements?\u003cbr\u003eA: No, the power adapter is not included. Please use a USB power adapter with DC 5V (≥1A). Insufficient current may cause the VU9 MINI not to work properly and voltage over 5V may damage the VU9 MINI.\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: How do I install the tubes on the VU9 MINI?  \u003cbr\u003eA: Make sure the side with LED beads is on the same side as the knob panel. Align the two tubes with the slots and insert them carefully. The tubes are magnetically attached, no screws required.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: How to turn the bottom LED light on or off?\u003cbr\u003eA: Single click the right knob to enter brightness mode, and then long press the right knob for 3 seconds, then you can turn on or off the LED light.\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: Why does the light column display even when there is no music input or low noise?\u003cbr\u003eA: This is due to high input sensitivity. Simply turn down the GAIN knob to reduce the sensitivity.\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: How to reset to factory mode?\u003cbr\u003eA: In the display mode (LED light on), long press the knob on the right for 2s.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: VU9 MINI\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: Microphone pick-up \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTube mounting method: Magnetic attachment \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisplay mode: 8 kinds\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eLevel meter \u003c\/span\u003e\u003cspan\u003edisplay mode: 2.5x RMS signal compression\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNumber of LED beads: 55pcs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrightness adjustment: 10 levels \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower-off saving settings: Supported \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRhythm sensitivity setting: Supported\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eColor setting: Support full-color\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorking voltage: DC 5V≥1A (Type-C)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 85*85*145mm \/ 3.35*3.35*5.71in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 250*180*90mm \/ 9.84*7.08*3.54in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 167g \/ 0.371b \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 400g \/ 0.88lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1* VU9 MINI\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2* Tubes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Type-C Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 Set* Isolation Stand Feet\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47731629326568,"sku":"XX-VU9-MINI-US","price":59.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47731629359336,"sku":"XX-VU9-MINI-UK","price":59.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47731629392104,"sku":"XX-VU9-MINI-DE","price":59.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47731629424872,"sku":"XX-VU9-MINI-AU","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47731629457640,"sku":"XX-VU9-MINI","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_9fd74a8f-35cd-4e0a-9a17-d4153f6b7a9a.jpg?v=1759986728"},{"product_id":"douk-audio-vu360-retro-analog-vu-meter-music-spectrum-for-home-office-gift","title":"Douk Audio VU360 Special Analog VU Meter Music Spectrum Visualizer","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eExclusive Analog VU Meter: Featuring an oversized visual display with unique dual-needle, the VU360 is expertly crafted to offer exceptional clarity and vivid detail. Blending retro charm with modern tech, it adds a captivating focal point to any desk or living space.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDual Inputs for Ultimate Convenience: Provides both a sensitive built-in microphone for wire-free convenience and line input for a direct connection to your audio source. Works flexibly in any scenario, instantly transforming game audio, music, and movies into a dynamic show. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRich Colors to Match Your Setup: The Yellow version offers 4 color families (red, orange, yellow, green), each with 5 colors, and the White version has broader 7 color families (red, orange, yellow, green, cyan, blue, purple), each with 2-3 colors. Choose the perfect match for your style and ambiance.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePrecision Control for Perfect Sync: Fine-tune your visual experience with intuitive controls. Effortlessly adjust color, brightness, gain, and sensitivity, creating the ideal atmosphere for your audio, from quiet ambient tracks to explosive gaming soundscapes.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRefined Gift for Every Occasion: Housed in a sturdy metal casing for a premium feel, the VU360 comes in an exquisite gift box, making it an ideal present for music enthusiasts, gamers, or lovers of stylish, retro-inspired decor. Perfect for Birthdays, Christmas, Valentine's Day, and more.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: What's the difference between the two versions of the VU360?\u003cbr\u003eA: Please note: The VU360 is a visualizer, not a speaker, and does not play music. The yellow version supports 4 color families, each offering 5 adjustable color variations. The white version covers 7 color families with 2 to 3 color variations available for each.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: What kind of power supply should I prepare?\u003cbr\u003eA: Please use a DC 5V power supply with at least 1A output. Higher voltage may cause damage, while insufficient current may affect performance.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eQ: Can I track my sensitivity or gain adjustments?\u003c\/span\u003e\u003cbr data-start=\"98\" data-end=\"101\"\u003e\u003cspan\u003eA: Yes, the indicator lights can show your progress: The left light stays solid at the minimum value. As you increase the value, the lights light up sequentially. When all three lights are solid, it indicates the maximum level.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: Why do the left and right needles respond differently?\u003cbr\u003eA: The inconsistency in the left and right needles is a normal phenomenon caused by differences in the stereo balance of different songs. It does not indicate a malfunction of the VU360.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eQ: Why is the VU360 meter needle barely moving when connected to a turntable?\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eA: The turntable's output signal is typically too weak and requires amplification via a phono preamp. The VU360 is designed for standard line-level signals, such as those from CD players, computers, or phones.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: VU360\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVU meter version: Yellow \/ White (Optional) \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: 3.5mm AUX \/ Microphone pickup\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio output: 3.5mm AUX\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNumber of channels: 2.0\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBacklight color: Single-color \/ Multi-color\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrightness adjustment: 8-level\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGain adjustment: Supported\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSensitivity adjustment: Supported\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVU meter diameter: 75mm \/ 2.95in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput voltage: DC 5V \/ ≥1A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower interface: USB-C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 105*105*70mm \/ 4.13*4.13*2.76in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 204*153*102mm \/ 8.03*6.02*4.01in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 618g \/ 1.36lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 1.0kg \/ 1.10lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1* VU360\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Type-C Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"Yellow \/ US","offer_id":47743725994216,"sku":"SUC-VU360-Y-US","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ UK","offer_id":47743726026984,"sku":"SUC-VU360-Y-UK","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ EU","offer_id":47743726059752,"sku":"SUC-VU360-Y-DE","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ AU","offer_id":47743726092520,"sku":"SUC-VU360-Y-AU","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ China","offer_id":47743726125288,"sku":"SUC-VU360-Y","price":99.99,"currency_code":"USD","in_stock":true},{"title":"White \/ US","offer_id":47747888087272,"sku":"SUC-VU360-W-US","price":99.99,"currency_code":"USD","in_stock":true},{"title":"White \/ UK","offer_id":47747888120040,"sku":"SUC-VU360-W-UK","price":99.99,"currency_code":"USD","in_stock":true},{"title":"White \/ EU","offer_id":47747888152808,"sku":"SUC-VU360-W-DE","price":99.99,"currency_code":"USD","in_stock":true},{"title":"White \/ AU","offer_id":47747888185576,"sku":"SUC-VU360-W-AU","price":99.99,"currency_code":"USD","in_stock":true},{"title":"White \/ China","offer_id":47747888218344,"sku":"SUC-VU360-W","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_74ecd132-66b5-4972-a0ff-62951bb71044.jpg?v=1760577236"},{"product_id":"douk-audio-1-4-inch-trs-to-xlr-female-balanced-cable-ofc-gold-plated-xlr-to-6-35mm-cable","title":"Ampapa 1\/4 Inch TRS to XLR Female Balanced Cable with Oxygen-free Copper","description":"\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBalanced Signal Transmission: This 1\/4” balanced TRS to XLR female cable is engineered for transparent, distortion-free audio transmission. Supports seamless two-way transmission, o\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ene cable to unify your HiFi or studio system with consistent, reliable sound.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eReveal True System Potential: With a low-capacitance, interference-resistant structure, it enables wider dynamic range, greater detail resolution, and a deeper soundstage—letting your system reveal its true tonal character with clarity and depth. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudiophile-Grade Craftsmanship: Built with 6N oxygen-free copper, 24K gold-plated contacts, and 40-strand conductors, this cable features tinned copper braided shielding and carbon fiber-metal composite plugs, ensuring ultra-low signal loss, durability, and distortion-free audio.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOptimized for HiFi Systems: Specially engineered for optimal pairing with Ampapa D1, Q1, and a flawless partner for other DACs, amplifiers, headphone amps and preamps, ensuring seamless integration. Perfect for desktop HiFi, bookshelf setup, home theaters, and pro studios. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 18.6667px;\"\u003eRefined Details for Everyday Use: \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eGold\/silver color-coded TRS tips simplify L\/R identification. Matte black flexible sleeve, anti-loosening connectors, and protective plug sleeves offer both professional aesthetics and secure, plug-and-play reliability on every use.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector A: 6.35 mm TRS Male\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector B: 3-PIN XLR Female\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector gender: Male to Female\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector: 24K gold-plated\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cspan style=\"font-family: Times New Roman;\"\u003eWire core\u003c\/span\u003e: 6N oxygen-free copper\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;\"\u003eJacket: Nylon-braided PVC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eCable length: 1m \u0026amp; 3ft\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\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1 Pair* 1\/4” TRS to XLR Female Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47793256693992,"sku":"DZ-TRS-XLR-US","price":36.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47793256726760,"sku":"DZ-TRS-XLR-UK","price":36.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47793256759528,"sku":"DZ-TRS-XLR-DE","price":36.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47793256792296,"sku":"DZ-TRS-XLR-AU","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47793256825064,"sku":"DZ-TRS-XLR","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_b74fe0d7-33d6-493f-9ce0-5e3c910b0b9e.jpg?v=1775090479"},{"product_id":"douk-audio-3-5mm-to-rca-cable-hifi-rca-male-to-aux-stereo-cable-ofc","title":"Douk Audio 3.5mm to RCA Cable HIFI RCA Male to AUX Stereo Cable","description":"\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli data-end=\"370\" data-start=\"117\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFlexible Audio Integration: This \u003cspan style=\"font-size: 14pt;\"\u003e3.5mm to RCA cable b\u003c\/span\u003eridges mobile and home audio systems effortlessly. Works in both directions between 3.5mm (phones, iPads, PCs, MP3 players) and RCA (preamps, amps, speakers, DACs, mixers). Supports bidirectional stereo signal transmission. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"370\" data-start=\"117\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eHiFi-Grade Signal Integrity: Built with 6N OFC conductors and 24K gold-plated connectors for ultra-low resistance, it ensures clean, dynamic signal flow. A tinned copper braided shield and multi-layer insulation provide robust protection against EMI and signal loss. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"370\" data-start=\"117\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePremium Build with High-End Materials: Features pure copper plug shells, metal splitter, and a resilient matte compound over PVC for shock absorption. The tightly braided nylon jacket adds flexibility, abrasion resistance, and a premium look that complements any audio setup.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"370\" data-start=\"117\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e Tailored HiFi-Grade Cable: Custom-built to meet high-fidelity standards, it is optimized for signal synergy with Douk Audio and Nobsound’s gear, while remaining fully compatible and delivering clean, faithful transmission with other audio systems.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"1777\" data-start=\"1531\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eStructured for Strength and Stability: Built with a heavy-gauge 6.5mm diameter, braided nylon jacket, and internal cotton yarn strain relief, this cable resists kinks and wear.  Over 15,000 bend-tested cycles ensure stable, flexible performance in both desktop and full-size HiFi systems.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector A: 3.5 mm Male\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector B: RCA Male\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector gender: Male to Male\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector: 24K gold-plated\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cspan style=\"font-family: 'Times New Roman';\"\u003eWire core\u003c\/span\u003e: 6N oxygen-free copper\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\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eCable divider: Metal\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;\"\u003eNylon braided: 15000+ Bendings \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eCable length: 1m \u0026amp; 3ft\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\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1* \u003cspan style=\"font-family: Times New Roman;\"\u003e3.5mm to RCA Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47793285333224,"sku":"DZ-3.5-RCA-US","price":26.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47793285365992,"sku":"DZ-3.5-RCA-UK","price":26.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47793285398760,"sku":"DZ-3.5-RCA-DE","price":26.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47793285431528,"sku":"DZ-3.5-RCA-AU","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47793285464296,"sku":"DZ-3.5-RCA","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_b2449210-2548-4a5e-a079-5ece18019001.jpg?v=1775030294"},{"product_id":"douk-audio-hifi-dual-rca-to-rca-cable-shielded-audio-stereo-cable-6n-ofc","title":"Douk Audio HIFI Dual RCA to RCA Stereo Cable with Oxygen-free Copper","description":"\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp data-end=\"391\" data-start=\"102\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDirectional Analog Signal Path: This dual RCA to RCA cable supports pure analog transmission with designated signal direction. Enables pinpoint channel separation, stable imaging, and a more holographic soundstage in your Hi-Fi setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"693\" data-start=\"398\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eEngineered for High-Fidelity Sound: Features 6N oxygen-free copper conductors and tinned copper braided shielding for ultra-low interference. Paired with pure copper shells and 24K gold RCA tips, it preserves tonal nuance, micro‑detail, and black-background clarity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"997\" data-start=\"700\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePremium Materials and Construction: Wrapped in a matte high-elastic compound and tightly braided nylon, it offers enhanced flexibility and abrasion resistance. Built with internal strain relief and tested to 15,000+ bends, it delivers durability that matches its sonic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1285\" data-start=\"1004\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOptimized for HiFi Audio Chains: Purpose-built to complement Douk Audio and Nobsound amplifiers, DACs, preamps, and equalizers for optimal performance. Also works perfectly with third-party Hi-Fi equipment and audio sources such as CD\/DVD players, TVs, projectors.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1570\" data-start=\"1292\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDurable Structure with Refined Details: Reinforced with cotton-filled internals for long-term tensile strength, and finished with plug sleeves to reduce wear. Red\/white color-coded RCA ends enable a frustration-free, plug-and-play experience in any audio setup. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector A: RCA Male\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector B: RCA Male\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector gender: Male to Male\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector: 24K gold-plated\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cspan style=\"font-family: Times New Roman;\"\u003eWire core\u003c\/span\u003e: 6N oxygen-free copper\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;\"\u003eNylon Braided: 15000+ Bendings \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eCable length: 1m \u0026amp; 3ft\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\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1* Dual \u003cspan style=\"font-family: 'Times New Roman';\"\u003eRCA to RCA Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47793289920744,"sku":"DZ-D-RCA-US","price":29.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47793289953512,"sku":"DZ-D-RCA-UK","price":29.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47793289986280,"sku":"DZ-D-RCA-DE","price":29.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47793290019048,"sku":"DZ-D-RCA-AU","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47793290051816,"sku":"DZ-D-RCA","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_e2888207-f1d8-456b-af26-123ad9ba56c4.jpg?v=1775090203"},{"product_id":"ampapa-speaker-cable-with-banana-plugs-oxygen-free-copper-for-hifi-amplifier-5ft","title":"Douk Audio Speaker Cable with Banana Plugs \u0026 Oxygen-Free Copper","description":"\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp data-start=\"1292\" data-end=\"1570\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eRhodium-Plated Banana Plugs: Fitted with rhodium-plated beryllium copper plugs and carbon fiber plug shell, this speaker cable delivers ultra-low contact resistance and long-term oxidation protection. Preserve high-frequency extension and reduce micro-distortion caused by oxidized or loose terminals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1292\" data-end=\"1570\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOFC Core with Silver Strands: Built with 78-strand 2.5mm² OFC conductors and five silver-plated strands per core, it delivers efficient current flow and extended bandwidth. Unlock deeper bass, faster transients, and a more articulate, layered sound in Hi-Fi stereo setups. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1292\" data-end=\"1570\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDesigned for Hi-Fi Amps: Custom-tuned to maximize the performance of Douk Audio and Nobsound amplifiers, while fully compatible with third-party audio amps and speaker systems. Perfect for driving bookshelf, floorstanding, or subwoofer speakers with clean power and signal integrity.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1292\" data-end=\"1570\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDurable Braided Jacket: Measuring 9.5mm in diameter, it is wrapped in a high-elastic nylon braided sleeve with internal strain relief for long-lasting use. Flame-retardant and abrasion-resistant, it ensures secure, flexible performance in audio systems. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1292\" data-end=\"1570\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePrecision-Guided Audio Connection: Designed for directional signal transmission, with clear flow indicators and red\/black heat-shrink tubing to simplify setup and reduce connection errors. Engineered for precision in high-resolution audio chains. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eConnector type: Banana Plug\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eCable length: 1.5m \u0026amp; 5ft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cspan style=\"font-family: Times New Roman;\"\u003eBanana Plugs\u003c\/span\u003e: \u003cspan style=\"font-family: Times New Roman;\"\u003eBeryllium Copper Plated with Rhodium\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cspan style=\"font-family: Times New Roman;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eWire Core: OFC Conductor\u003c\/span\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003cspan style=\"font-family: Times New Roman;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePlug Shell: Carbon Fiber and Metal \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1 Pair* Speaker\u003cspan style=\"font-family: 'Times New Roman';\"\u003e Cables\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47793290969320,"sku":"DZ-SPK-US","price":39.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47793291002088,"sku":"DZ-SPK-UK","price":39.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47793291034856,"sku":"DZ-SPK-DE","price":39.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47793291067624,"sku":"DZ-SPK-AU","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47793291100392,"sku":"DZ-SPK","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_c54d16b0-c379-496c-88d4-b8c8ef2d27f0.jpg?v=1775090412"},{"product_id":"ampapa-bk1-aluminum-desktop-hifi-stand-for-a1-d1-q1","title":"Ampapa BK1 Aluminum Desktop HiFi Stand for A1\/D1\/Q1","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli data-end=\"469\" data-start=\"87\"\u003e\u003cspan\u003eDesigned for Ampapa Harmony: Tailored to perfectly fit the Ampapa A1, Q1, D1, and future models, the BK1 stand organizes your gear into a seamless, well-balanced HiFi system. Its precision-matched dimensions and visual alignment create a unified desktop or shelf setup.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli data-end=\"469\" data-start=\"87\"\u003e\u003cspan\u003ePremium All-Aluminum Structure: Built with aircraft-grade aluminum, BK1 offers unmatched strength, durability, and heat resistance. The sandblasted, anodized surface delivers both visual sophistication and tactile refinement, matching the look and feel of high-end audio gear.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli data-end=\"469\" data-start=\"87\"\u003e\u003cspan\u003ePassive Cooling for Peak Performance: Each tier includes precision ventilation openings that promote natural convection, helping your amplifiers, DACs, and preamps stay cool. Open airflow design reduces thermal stress and improves long-term reliability.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli data-end=\"469\" data-start=\"87\"\u003e\u003cspan\u003eCrafted Details with Functional Elegance: From vibration-damping waist curves and spike feet to anti-slip grooves and high-gloss screw caps, every detail is purpose-built to enhance structural stability and preserve sonic integrity. A precision finish reflects Ampapa’s signature attention to detail.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli data-end=\"469\" data-start=\"87\"\u003e\u003cspan\u003eFlexible Stack Configurations: BK1 supports standard 3-layer, expanded-height 2-layer or multi-unit stacking, accommodating compact stacks or full-sized audio rigs alike. Its tool-free modular design assembles in minutes and stacks seamlessly, offering secure support.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cstrong data-end=\"308\" data-start=\"256\"\u003eQ: What is the weight capacity of the BK1 stand?\u003c\/strong\u003e\u003cbr data-end=\"311\" data-start=\"308\"\u003e\u003cstrong data-end=\"317\" data-start=\"311\"\u003eA:\u003c\/strong\u003e The BK1 is made of solid aluminum alloy with a reinforced structure. It can handle standard desktop audio setups with ease under normal use.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Ampapa\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: BK1\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1* BK1\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47865983566056,"sku":"SUC-BK1-US","price":79.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47865983598824,"sku":"SUC-BK1-UK","price":79.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47865983631592,"sku":"SUC-BK1-DE","price":79.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47865983664360,"sku":"SUC-BK1-AU","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47865983697128,"sku":"SUC-BK1","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_676143c1-9d30-440d-a33a-b3ac208c82dd.jpg?v=1764918856"},{"product_id":"ampapa-6-35mm-trs-hifi-audio-balanced-cable","title":"Ampapa 6.35mm TRS HiFi Audio Balanced Cable with Oxygen-free Copper","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBuilt for High-Fidelity Systems: Ampapa 1\/4\" TRS to TRS cable is ideal for transmitting balanced audio for audiophiles, studio users, and content creators seeking clarity and consistency. Complete your Ampapa system or upgrade any balanced audio setup with signal stability you can trust.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eEngineered for HiFi Performance: 6N oxygen-free copper conductors preserve clarity and depth, revealing richer textures and wider dynamics across your tracks. 24K gold-plated plugs and carbon fiber shells reduce contact resistance and maintain sonic integrity in high-resolution playback.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMulti-Layer Shielding Blocks the Noise: Tinned copper braided shielding resists RF and EMI interference, while cotton yarn and layered inner wrap reduce vibration-induced handling noise. A matte compound jacket adds static protection for ultra-clean audio across all environments.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eStrong Yet Flexible in Every Use: Built to endure over 15,000 bends, it uses a 40-strand copper core and cotton-filled strain relief for long-term reliability. The 6.5mm nylon braid resists twisting, while flexible routing suits desktop, rack, and various setups.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eSeamless Fit for Your Audio Chain: Perfectly tuned for Ampapa Q1 and D1, yet universally compatible with other mixers, preamps, CD players, audio interfaces, studio monitors, and AV receivers. Plug and play across any 1\/4\" balanced TRS interface. \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Ampapa\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConnector A: 6.35 mm TRS Male\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConnector B: 6.35 mm TRS Male \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConnector gender: Male to Male\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConnector: 24K gold-plated\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWire core: 6N oxygen-free copper\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eJacket: Nylon-braided PVC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNylon Braided: 15000+ Bendings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCable length: 1m \u0026amp; 3ft\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 Pair* 1\/4” TRS to TRS Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47877180522728,"sku":"DZ-D-TRS-US","price":32.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47877180555496,"sku":"DZ-D-TRS-UK","price":32.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47877180588264,"sku":"DZ-D-TRS-DE","price":32.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47877180621032,"sku":"DZ-D-TRS-AU","price":32.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47877180653800,"sku":"DZ-D-TRS","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_d876b0a7-b4fd-4bd9-b589-39874b61e4b5.jpg?v=1775090337"},{"product_id":"burson-audio-v7-vivid-classic-discrete-dual-op-amp","title":"Burson Audio V7 Vivid \/ Classic Discrete Dual Op Amp (1 Pair)","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSound Quality Upgrade: Upgrading to the Burson V7 op amps delivers a clearly audible improvement over standard IC op amps, with greater clarity, stronger dynamics, richer tonal density, and a more open, realistic soundstage across the entire frequency range. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFully Discrete Architecture: The V7 uses a fully discrete component design instead of integrated chips, eliminating internal current limits and shared signal paths. This allows the audio signal to breathe freely, preserving fine detail, transient accuracy, and harmonic richness.   \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMulti-Layer PCB Signal Isolation: Built with up to eight PCB layers, the V7 separates signal path, grounding, and shielding into dedicated layers. This optimized layout shortens the signal path, reduces interference, and improves transparency, accuracy, and overall analog performance.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced Heat Dissipation: The V7 is designed to run at higher idle current for better sound quality and stability. Its high-density aluminum shell acts as an efficient heatsink, dispersing heat from each PCB layer while protecting sensitive components.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDIP8 Universal Compatibility: Housed in a DIP8 compatible package, the V7 is a direct plug-and-play upgrade for IC op-amps (e.g., NE5532, OPA2604, LME49720). Bring measurable performance gains to amplifier, preamp, headphone amp, or CD player etc. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan\u003eV7 Vivid\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eTuned for dynamism\u003c\/span\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cspan\u003eclarity\u003c\/span\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cspan\u003eaccuracy, V7 Vivid delivers exceptional transparency and precise signal reproduction. It is especially well suited for DAC output stages.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp data-end=\"806\" data-start=\"562\"\u003e\u003cstrong data-end=\"576\" data-start=\"562\"\u003eV7 Classic\u003c\/strong\u003e\u003cbr data-end=\"579\" data-start=\"576\"\u003eVoiced for musical enjoyment, V7 Classic delivers intimate vocals, sparkling highs, and rich tonal texture. It matches Vivid’s ultra-low noise while improving dynamics and accuracy in the lower frequencies.  \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eWarm Tips\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e1. The V7 op amp is designed to operate at temperatures between 60-70°C. Before replacing the op amp, power off the device and allow a 5–10 minute cool-down period to avoid burns or damage.\u003cbr\u003e2. Always disconnect the power before installing or removing the op amp to maintain electrical safety.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e3. \u003c\/span\u003e\u003cspan\u003eEnsure correct orientation during installation.\u003c\/span\u003e\u003cspan\u003e Always align the notch on the op amp with the socket notch. If you are unsure, please contact customer support for guidance. Damage caused by incorrect installation is not covered by warranty or compensation.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePower Supply Range: ±4V \/ 8 VDC to ±16V \/ 30VDC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCurrent Draw: up to 35mA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions: Height: 20mm, Width: 15.4mm, Depth: 13.4mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2 × V7 Op Amp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2 × DIP8 Socket\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2 × Silicon Retainer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × “Voice By Burson” Sticker\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"doukaudio","offers":[{"title":"V7 Classic-2PCS \/ US","offer_id":48045431062760,"sku":"PJ-Burson-V7-Classic-US","price":199.99,"currency_code":"USD","in_stock":true},{"title":"V7 Classic-2PCS \/ UK","offer_id":48045431095528,"sku":"PJ-Burson-V7-Classic-UK","price":199.99,"currency_code":"USD","in_stock":true},{"title":"V7 Classic-2PCS \/ EU","offer_id":48045431128296,"sku":"PJ-Burson-V7-Classic-DE","price":199.99,"currency_code":"USD","in_stock":true},{"title":"V7 Classic-2PCS \/ AU","offer_id":48045431161064,"sku":"PJ-Burson-V7-Classic-AU","price":199.99,"currency_code":"USD","in_stock":true},{"title":"V7 Classic-2PCS \/ China","offer_id":48045431193832,"sku":"PJ-Burson-V7-Classic","price":199.99,"currency_code":"USD","in_stock":true},{"title":"V7 Vivid-2PCS \/ US","offer_id":48045431226600,"sku":"PJ-Burson-V7-Vivid-US","price":199.99,"currency_code":"USD","in_stock":true},{"title":"V7 Vivid-2PCS \/ UK","offer_id":48045431259368,"sku":"PJ-Burson-V7-Vivid-UK","price":199.99,"currency_code":"USD","in_stock":true},{"title":"V7 Vivid-2PCS \/ EU","offer_id":48045431292136,"sku":"PJ-Burson-V7-Vivid-DE","price":199.99,"currency_code":"USD","in_stock":true},{"title":"V7 Vivid-2PCS \/ AU","offer_id":48045431324904,"sku":"PJ-Burson-V7-Vivid-AU","price":199.99,"currency_code":"USD","in_stock":true},{"title":"V7 Vivid-2PCS \/ China","offer_id":48045431357672,"sku":"PJ-Burson-V7-Vivid","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/PJ-Burson-V7_3.png?v=1770354811"},{"product_id":"sparkos-labs-ss3602-discrete-dual-op-amp","title":"Sparkos Labs SS3602 Discrete Dual Op Amp (1PC)","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eSound Quality Upgrade: Upgrading to the Sparkos SS3602 discrete op amp can deliver a more realistic, detailed, and engaging sound than typical IC op amps, with improved imaging and soundstaging for high-performance audio systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDual Discrete Architecture: The SS3602 is a true dual discrete op amp built from individual components, avoiding common IC limitations and enabling higher performance in gain, noise behavior, and drive capability in demanding audio signal paths.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eClass A Biased Output Stage: The output stage is biased into Class A operation. The SS3602 prioritizes linear, continuous operation and refined low-level detail. This design improves smoothness, and signal integrity, especially in critical gain and output stages.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHigh Open-Loop Gain Design: With 140 dB open-loop gain and two-pole compensation, the SS3602 achieves excellent signal control and low noise operation. Its focus on accuracy and stability makes it especially suitable for DAC output stages, preamps, and buffers.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eDIP8 Universal Compatibility: Housed in a DIP8 compatible package, the SS3602 is a direct plug-and-play upgrade for IC op-amps (e.g., NE5532, OPA2604, LME49720). Bring measurable performance gains to amplifier, preamp, DAC, sound card etc. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eWarm Tips\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e1. Always disconnect the power before installing or removing the op amp to ensure safety and prevent damage. \u003c\/div\u003e\n\u003cdiv\u003e2. Ensure correct orientation during installation. Always align the notch on the op amp with the socket notch. If you are unsure, please contact customer support for guidance. Damage caused by incorrect installation is not covered by warranty or compensation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli data-end=\"282\" data-start=\"231\"\u003eProduct Type: Dual Discrete Operational Amplifier\u003c\/li\u003e\n\u003cli data-end=\"282\" data-start=\"231\"\u003ePackage: DIP8 Compatible\u003c\/li\u003e\n\u003cli data-end=\"344\" data-start=\"314\"\u003eOutput Stage: Class A Biased\u003c\/li\u003e\n\u003cli data-end=\"375\" data-start=\"347\"\u003eOpen-Loop Gain: 140 dB\u003c\/li\u003e\n\u003cli data-end=\"462\" data-start=\"416\"\u003eInput Offset Voltage: Typically \u0026lt; 250 µV @ ±12 Vcc\u003c\/li\u003e\n\u003cli data-end=\"506\" data-start=\"465\"\u003eCompensation: Two-Pole Compensation\u003c\/li\u003e\n\u003cli data-end=\"543\" data-start=\"509\"\u003ePin Finish: Gold-Plated Pins\u003c\/li\u003e\n\u003cli data-end=\"597\" data-start=\"546\"\u003eConstruction: Fully Discrete Component Design\u003c\/li\u003e\n\u003cli data-end=\"597\" data-start=\"546\"\u003e\u003cspan\u003eDimensions (Approx., from PCB seating plane):\u003cbr\u003eFootprint: ~15.0 × 13.75 mm\u003cbr\u003eHeight above PCB seating plane: ~10.5 mm\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cdiv\u003ePacking List\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × SS3602 Dual Discrete Op Amp\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × DIP8 Socket \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","brand":"doukaudio","offers":[{"title":"US","offer_id":48045504659688,"sku":"PJ-Sparkos-SS3602-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":48045504692456,"sku":"PJ-Sparkos-SS3602-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":48045504725224,"sku":"PJ-Sparkos-SS3602-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":48045504757992,"sku":"PJ-Sparkos-SS3602-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":48045504790760,"sku":"PJ-Sparkos-SS3602-US","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/PJ-Sparkos-SS3602_8.jpg?v=1770355800"},{"product_id":"douk-audio-bs-2-30w-bass-shaker","title":"Douk Audio BS-2 30W Bass Shaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli data-end=\"853\" data-start=\"514\"\u003e\u003cspan\u003eTactile Bass You Can Feel: The Douk Audio BS-2 is a bass shaker \/ tactile transducer designed to turn low-frequency signals into physical vibration. Feel bass effects from games, movies, music, home theater and sim racing with an added layer of tactile impact beyond regular audio playback. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"1180\" data-start=\"855\"\u003e\u003cspan\u003eEfficient 30W Output: Rated at 30W power with 4Ω impedance, the BS-2 is built for efficient low-frequency performance. Its high-sensitivity structure helps deliver strong physical feedback when paired with the Douk Audio G100 or a compatible amplifier.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"1540\" data-start=\"1182\"\u003e\u003cspan\u003eEngineered Internal Structure: Built with a high-strength ferrite magnet, precision voice coil, and optimized internal structure, the BS-2 responds quickly to low-frequency effects such as engines, explosions, impacts, and deep bass notes, making the feedback feel more direct and controlled.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"2248\" data-start=\"1884\"\u003e\u003cspan\u003eDurable for Daily Use: The rigid aluminum housing helps resist heat, impact, and deformation while improving heat dissipation during extended sessions. Reliability testing for load, humidity, temperature, vibration, and drop performance helps support stable long-term use.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"2248\" data-start=\"1884\"\u003e\u003cspan\u003eFlexible DIY Setup: Build your own tactile setup with one or multiple BS-2 units, and try different mounting positions to match your chair, sofa, bed frame, or platform. Different surfaces and locations can create different tactile effects, letting you explore the best tactile response.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003cspan\u003eQ: Can the BS-2 be used as a regular speaker?\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong data-end=\"147\" data-start=\"69\"\u003e\u003cbr data-end=\"1197\" data-start=\"1194\"\u003e\u003cspan\u003e\u003cstrong data-end=\"1203\" data-start=\"1197\"\u003eA:\u003c\/strong\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eNo. It is designed for low-frequency tactile feedback, not full-range sound playback.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp data-end=\"615\" data-start=\"358\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What amplifier should I use with the BS-2?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr data-end=\"411\" data-start=\"408\"\u003e\u003cspan\u003e\u003cstrong data-end=\"417\" data-start=\"411\"\u003eA:\u003c\/strong\u003e Use a bass shaker amplifier or compatible subwoofer amp with low-pass filter, such as the Douk Audio G100. A regular 4Ω amp can also drive it, but the vibration effect may be less ideal with full-range signals.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"864\" data-start=\"617\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: How much amplifier power is safe for the BS-2?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr data-end=\"681\" data-start=\"678\"\u003e\u003cspan\u003e\u003cstrong data-end=\"687\" data-start=\"681\"\u003eA:\u003c\/strong\u003e The BS-2 is rated at 30W, with 50W max input power and 4Ω impedance. Do not exceed 50W per unit. For long-term use, keeping output closer to 30W is recommended.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1117\" data-start=\"866\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Can I connect multiple BS-2 units together?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr data-end=\"920\" data-start=\"917\"\u003e\u003cspan\u003e\u003cstrong data-end=\"926\" data-start=\"920\"\u003eA:\u003c\/strong\u003e Yes, but total impedance changes with wiring. Two units in series equal about 8Ω, while two in parallel equal about 2Ω. Always confirm your amplifier supports the final impedance before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: BS-2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated Impedance: 4Ω ±15%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated Input Power: 30W\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax. Input Power: 50W\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eResonance Frequency (F0): 57–63Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSound Pressure Level: 62 ±3dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOperating Temperature: -20℃ to +70℃\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStorage Temperature: -30℃ to +70℃\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eProduct Dimensions: 86 × 89.7 × 38.5mm \/ 3.38 × 3.53 × 1.51in\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet Weight: 532g \/ 1.17lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage Weight \u003cem\u003e(Single Unit)\u003c\/em\u003e: 640g \/ 1.41lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage Weight \u003cem\u003e(Pair)\u003c\/em\u003e: 1.17kg \/ 2.58lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003chr\u003e\n\u003cp\u003ePacking List\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × BS-2 Bass Shaker \u003cem data-end=\"93\" data-start=\"71\"\u003e(Single Unit Option)\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2 × BS-2 Bass Shakers \u003cem data-end=\"137\" data-start=\"122\"\u003e(Pair Option)\u003c\/em\u003e  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"1PC \/ US","offer_id":48534747644136,"sku":"SUC-BS-2-US","price":36.99,"currency_code":"USD","in_stock":true},{"title":"1PC \/ UK","offer_id":48534747676904,"sku":"SUC-BS-2-UK","price":36.99,"currency_code":"USD","in_stock":true},{"title":"1PC \/ EU","offer_id":48534747709672,"sku":"SUC-BS-2-DE","price":36.99,"currency_code":"USD","in_stock":true},{"title":"1PC \/ AU","offer_id":48534747742440,"sku":"SUC-BS-2-AU","price":36.99,"currency_code":"USD","in_stock":true},{"title":"1PC \/ China","offer_id":48534747775208,"sku":"SUC-BS-2","price":36.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ US","offer_id":48550625738984,"sku":"SUC-BS-2-Pair-US","price":69.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ UK","offer_id":48550625771752,"sku":"SUC-BS-2-Pair-UK","price":69.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ EU","offer_id":48550625804520,"sku":"SUC-BS-2-Pair-DE","price":69.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ AU","offer_id":48550625837288,"sku":"SUC-BS-2-Pair-AU","price":69.99,"currency_code":"USD","in_stock":true},{"title":"1Pair \/ China","offer_id":48550625870056,"sku":"SUC-BS-2-Pair","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/6_90ec2072-135a-479d-bf92-1cf274246505.jpg?v=1778478131"},{"product_id":"douk-audio-d2-15w-hifi-linear-power-supply-with-dc-usb-5v-output","title":"Douk Audio D2 15W HiFi Linear Power Supply with DC+USB 5V Output","description":"\u003cdiv\u003e\u003cstrong\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"8\"\u003e\u003cspan\u003e\u003cstrong data-end=\"307\" data-start=\"279\"\u003eCleaner 5V Linear Power:\u003c\/strong\u003e Replaces ordinary switching power adapters with clean, stable 5V DC power. The D2 helps reduce power-related noise and interference, giving your HiFi system a darker background, smoother highs, and more natural detail.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"9\"\u003e\u003cspan\u003e\u003cstrong\u003eUltra-Low Ripple Output\u003c\/strong\u003e: With ripple noise below 20μV under no-load conditions, 15W output power, and up to 2.5A current, the D2 provides a low-noise power foundation for sensitive audio circuits that require stable 5V supply.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong data-end=\"581\" data-start=\"553\"\u003eDual Output Convenience\u003c\/strong\u003e: Equipped with 1×USB-A and 1×DC output, the D2 can power two compatible 5V devices at the same time. Ideal for DACs, DDCs, Raspberry Pi, USB audio devices, and headphone amps etc.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"10\"\u003e\u003cspan\u003e\u003cstrong\u003eStable Power Architecture\u003c\/strong\u003e: Built with a custom sealed transformer, LM1085IT voltage regulator, Panasonic FM capacitors, and PTC resettable fuse. The design helps deliver steady 5V output, low-ripple DC power, and added circuit protection.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"12\"\u003e\u003cspan\u003e\u003cstrong\u003eCompact Aluminum Chassis\u003c\/strong\u003e: The CNC-machined aluminum chassis offers solid durability, better heat dissipation, and helps reduce external interference. Compact and stack-friendly, the D2 fits neatly into desktop HiFi, PC audio, and small home audio systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: The D2 has two output terminals. Can both terminals be used simultaneously at full rated current?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eA: No. You can connect two output devices at the same time, but the total current drawn from both outputs must not exceed the rated output current.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: The DC output jack is 5.5mm\/2.5mm, and my device's power jack is 5.5mm\/2.1mm. Are they compatible?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eA: Yes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: Is the output voltage of the D2 adjustable?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eA: The output voltage is typically fixed and can only be fine-tuned within about ±0.5V. Normally no adjustment is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: If I connect two devices to the D2 at the same time, will ground noise occur?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eA: It depends on the connected devices. If ground noise occurs when powering two devices, we recommend using the D2 to power only one device. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: My device requires a 5V \/ 1A power supply. Can I safely use the D2 5V \/ 2.5A output?  \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. 2.5A is the maximum available current. Your device will only draw the current it needs, so it can be used safely.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eQ: Why do the D2 generate more heat than switching power supplies? Is it safe?\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eA: It is normal. Linear power supplies operate at lower efficiency, so more energy is converted into heat. The D2 is safe when used within rated load limits.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: D2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput Interface: DC \/ USB Port\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput Voltage: DC 5V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput Power: 15W\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated Output Current: 2.5A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRipple Noise: No load \u0026lt;20μV\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDC Output Connector: 5.5 × 2.5 mm, positive inside and negative outside, compatible with 5.5 × 2.1 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput Voltage: AC 110V–120V \/ AC 220V–240V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W × D × H): 125 × 80 × 40 mm \/ 4.92 × 3.15 × 1.57 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet Weight: 600 g \/ 1.32 lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage Weight: 900 g \/ 1.98 lb \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1* D2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* DC Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Power Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":48560181608680,"sku":"LHY-D2-US","price":89.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":48560181641448,"sku":"LHY-D2-UK","price":89.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":48560181674216,"sku":"LHY-D2-DE","price":89.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":48560181706984,"sku":"LHY-D2-AU","price":89.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":48560181739752,"sku":"LHY-D2","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/9_d5a62d27-aaa6-4c48-82c1-dcad714890e8.jpg?v=1778824457"},{"product_id":"douk-audio-d2-pro-dc-12v-linear-power-supply-low-noise-35w","title":"Douk Audio D2-PRO 35W Linear Power Supply with Dual DC 12V OUT","description":"\u003cdiv\u003e\u003cstrong\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli data-end=\"3038\" data-start=\"2738\" data-section-id=\"1lkp4wv\"\u003e\u003cspan\u003eCleaner Linear Power Upgrade: Ordinary switching adapters can introduce ripple, electrical noise, and interference into sensitive audio gear. As a linear power supply, the D2-PRO helps create a darker background, smoother highs, and cleaner detail for a more refined listening experience.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"3324\" data-start=\"3040\" data-section-id=\"155koxo\"\u003e\u003cspan\u003e28μV Ultra-Low Ripple: Ripple noise is measured at only 28μV RMS under no-load conditions, giving sensitive audio circuits a cleaner power foundation. By reducing power-related noise at the source, it supports steadier imaging, cleaner dynamics, and more natural detail. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"3576\" data-start=\"3326\" data-section-id=\"1m1di7a\"\u003e\u003cspan\u003eLow-Noise Power Architecture: A sealed toroidal transformer, EMI suppression circuit, high-speed rectifier, large-capacity matrix filtering, and LDO regulator work together to isolate grid interference, smooth DC output, and deliver stable, well-regulated DC power.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"3843\" data-start=\"3578\" data-section-id=\"ypninp\"\u003e\u003cspan\u003e35W Dual DC Output: With up to 35W output power and 2.5A current capacity, the D2-PRO can run one or two compatible devices from the same clean regulated source. Dual DC outputs help create a more consistent low-noise power setup for compact HiFi systems.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"1526\" data-start=\"1260\" data-section-id=\"xwcji6\"\u003e\u003cspan\u003eMade for HiFi Audio Systems: Designed for 12V DACs, preamps, headphone amps, streamers, digital interfaces, audio switches, and network switches. The aluminum chassis helps improve heat dissipation and reduce external interference for stable daily use.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":48612941037800,"sku":"LHY-D2-PRO-US","price":129.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":48612941070568,"sku":"LHY-D2-PRO-UK","price":149.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":48612941103336,"sku":"LHY-D2-PRO-DE","price":149.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":48612941136104,"sku":"LHY-D2-PRO-AU","price":149.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":48612941168872,"sku":"LHY-D2-PRO","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_8e979cae-0b14-4f1c-8fca-bdb96c9de4d5.jpg?v=1780452409"},{"product_id":"douk-audio-vfd253-4-channel-audio-selector-music-spectrum-display","title":"Douk Audio VFD253-PRO 4 Channel Audio Selector Music Spectrum Display","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFlexible 4-Channel RCA Routing: Works as a 1-in-4-out distributor or 4-in-1-out selector to manage your HiFi system with less cable swapping. Send one source to one, several, or all selected outputs, or switch between multiple sources with ease. Lighted buttons show the active channel at a glance.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e25-Band VFD Spectrum Visualizer: The 25×15 VFD display turns music into real-time spectrum motion with clearer frequency layers and richer visual detail. Use line-in RCA for direct signal tracking, or built-in MIC pickup to capture nearby sound for easier visual display across more setups.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCustomizable Spectrum Display: Multiple modes, range selection, gain, brightness, and response tuning help the spectrum stay clear, full, and engaging across different sources and listening styles. Whether the signal is weak, the room is bright, or you prefer truer response over smoother motion, you can tune the display to look right.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDirect Isolated Signal Path: RCA input and output are directly connected without op-amp processing, keeping the audio path simple and clean. Transformer isolation separates the VFD drive circuit from the audio route, helping reduce display-related interference while preserving your original signal.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBuilt for Daily HiFi Use: The remote control gives quick access to channel selection, brightness, spectrum response, and clock settings etc. Accurate clock display adds practical desktop use, while aluminum housing and tempered glass bring a solid, refined finish to your HiFi setup. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"df0ed69b-ad47-4d85-b708-7062d419f470\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-6a18043f-95f8-83a9-8a9b-c12c437eb771-73\"\u003e\n\u003csection dir=\"auto\" data-turn=\"assistant\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-148\" data-turn-id-container=\"request-6a18043f-95f8-83a9-8a9b-c12c437eb771-73\" data-turn-id=\"request-6a18043f-95f8-83a9-8a9b-c12c437eb771-73\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv dir=\"auto\" data-turn-start-message=\"true\" data-message-model-slug=\"gpt-5-5-thinking\" data-message-id=\"c4d41c16-f844-49ae-b9be-15fe842270c9\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cp data-end=\"216\" data-start=\"0\"\u003e\u003cstrong\u003eQ: Can the VFD253 Pro be used as a mixer?\u003c\/strong\u003e\u003cbr data-end=\"44\" data-start=\"41\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo. It does not provide independent volume control for each channel. It is more suitable as an audio switcher or splitter rather than a mixer.  \u003c\/p\u003e\n\u003cp data-end=\"495\" data-start=\"218\"\u003e\u003cstrong\u003eQ: What signal does the spectrum display show?\u003c\/strong\u003e\u003cbr data-end=\"267\" data-start=\"264\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe spectrum comes from the rear I\/O port. In 1-in-4-out mode, it shows the source signal. In 4-in-1-out mode, it follows the selected input. If multiple inputs are selected, it may show combined signal, but this is not recommended.  \u003c\/p\u003e\n\u003cp data-end=\"723\" data-start=\"497\"\u003e\u003cstrong\u003eQ: What is the difference between Real Display and Smooth Display?\u003c\/strong\u003e\u003cbr data-end=\"566\" data-start=\"563\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eReal Display follows signal changes more directly for a more accurate visual response. Smooth Display offers smoother, steadier movement for better viewing.\u003c\/p\u003e\n\u003cp data-end=\"991\" data-start=\"725\"\u003e\u003cstrong\u003eQ: Why does the display switch to clock mode when there is no audio signal?\u003c\/strong\u003e\u003cbr data-end=\"803\" data-start=\"800\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis is normal. If no audio signal is detected for about 5 seconds, the display can switch to clock mode. This function can be turned on or off by remote control.  \u003c\/p\u003e\n\u003cp data-end=\"1316\" data-start=\"993\"\u003e\u003cstrong\u003eQ: How should I power the VFD253 Pro?\u003c\/strong\u003e\u003cbr data-end=\"1045\" data-start=\"1042\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePlease use the included 5V USB power adapter. Do not power it from the same device used as the audio source, as shared grounding may cause background noise or hum.  \u003c\/p\u003e\n\u003cp data-end=\"1316\" data-start=\"993\"\u003e\u003cspan\u003e\u003cstrong\u003eQ: Does the remote control include batteries?\u003c\/strong\u003e\u003cbr data-end=\"95\" data-start=\"92\"\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. Batteries are not included for safer and faster delivery. Please prepare compatible batteries separately before use.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: VFD253 Pro\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio Input: RCA \/ MIC Pickup\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio Output: RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOperating Modes: 1-in-4-out \/ 4-in-1-out\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisplay Type: VFD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisplay Resolution: 25 × 15\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisplay Content: Music Spectrum \/ Clock\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisplay Modes: 7 main display modes with sub-modes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpectrum Range: LOW \/ MID \/ FULL\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisplay Response: Real Display \/ Smooth Display\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjustments: Brightness \/ Gain \/ Sensitivity \/ Peak Hold\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClock IC: RX8025T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTime Accuracy: Within 1 minute per year\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRemote Control: Supported\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower-Off Memory: Supported\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower Input: DC 5V \/ ≥1A\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions: 172 × 107 × 70 mm \/ 6.77 × 4.21 × 2.76 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage Dimensions (W*D*H): 200 × 185 × 98 mm \/ 7.87 ×\u003cem\u003e \u003c\/em\u003e7.28 × 3.85 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet Weight: 650 g \/ 1.43 lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage Weight: 980 g \/ 2.16 lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1* VFD253 PRO\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Power Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* USB-C Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Screwdriver\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Remote Control (Without Batteries)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":48640104005864,"sku":"XX-VFD253-PRO-US","price":119.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":48640104038632,"sku":"XX-VFD253-PRO-UK","price":119.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":48640104071400,"sku":"XX-VFD253-PRO-DE","price":119.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":48640104104168,"sku":"XX-VFD253-PRO-AU","price":119.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":48640104136936,"sku":"XX-VFD253-PRO","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_1420dda3-9187-4cd3-a92b-1b75045b7455.jpg?v=1781259983"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/collections\/F29BB6EB732F487D4BCFDF689EEB76FD.jpg?v=1747619134","url":"https:\/\/doukaudibestseller.com\/it\/collections\/audio-accesories.oembed?page=2","provider":"Douk Audio","version":"1.0","type":"link"}