{"product_id":"douk-audio-u3-mini-class-a-headphone-amplifier-hifi-desktop-home-stereo-amp-dc5v","title":"Douk Audio U3 Mini Class A Headphone Amplifier HiFi Desktop Stereo Amp for HD650\/K701\/DT880\/T70\/RS1e","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong\u003eWarm tips:\u003c\/strong\u003e \u003cbr data-mce-fragment=\"1\"\u003eNot inlcude power adapter, recommend to use original high-quality power adapter above 5W. \u003cbr data-mce-fragment=\"1\"\u003eFor example: the current should be above 1A if use DC 5V while need above 0.5A if use DC 12V power adapter.\u003c\/span\u003e\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAdopting innovative circuit design, DC 5-20V wide input working voltage, the amplifier circuit can always work at a high voltage of 26V, and the background noise index is excellent. With wide frequency response extension, excellent transient response, excellent purity and transparency, and good dynamic range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAdopting original TI-NE5532 classical op amp and transistor expanding current circuit, using 1300mA large current output transistor working in class A status, with ultra-low distortion, and the sound is warm and delicate, full and mellow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePluggable op amp socket design, convenient to upgrade different op amps and bring much DIY fun and playability for audiophiles. Smooth and mellow sound, suitable for listening to vocals or string music, classic or pop music, and even with unique charm when playing rock.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMini size with exquisite appearance and most cost-effective, brings big surprise for all audiophiles, easily to drive most headphones in the market, providing larger power, better sound field and details, very suitable for home\/office desltop audio system use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWith stong drive power, easily to drive most high-impedance headphones such as:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHD580\/HD600\/HD650\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eK701\/K702\/Q701\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDT880\/T70\/T90\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSR225\/SR325\/RS1e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003eParameters:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio input: stereo L\/R RCA\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAudio output: 6.35mm headphone jack (with 6.35mm to 3.5mm adapter)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOutput power: ≥1300mW (32Ω)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMatched headphone impedance: 18-600Ω\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFrequency response: 20-30KHz\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSignal to noise ratio: ≥110DB\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMax output amplitude voltage: 25V\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eInput voltage: DC 5-20V\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDimension(W*D*H): 67*93*30mm \/ 2.64*3.66*1.18in\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNet weight: 169g \/ 0.37lb\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePackage weight: 310g \/ 0.68lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"pastingspan1\" style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*U3 Headphone Amplifier\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*USB to DC Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*6.35mm to 3.5mm Headphone Adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406714618088,"sku":"XZ-U3-US","price":36.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406714650856,"sku":"XZ-U3-UK","price":36.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406714683624,"sku":"XZ-U3-DE","price":36.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406714716392,"sku":"XZ-U3-AU","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406714749160,"sku":"XZ-U3","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/XZ-U3-P_1.jpg?v=1650965746","url":"https:\/\/doukaudibestseller.com\/en-ca\/products\/douk-audio-u3-mini-class-a-headphone-amplifier-hifi-desktop-home-stereo-amp-dc5v","provider":"Douk Audio","version":"1.0","type":"link"}