{"product_id":"douk-audio-u5pro-hifi-fully-balanced-headphone-amplifier-mini-stereo-amp-for-xlr-4-4mm-headsets","title":"Douk Audio U5PRO HiFi Fully Balanced Headphone Amplifier Mini Stereo Amp for XLR\/4.4mm Headsets","description":"\u003cdiv\u003e\n\u003cdiv style=\"line-height: 1.5; text-align: left;\"\u003eWarm tips:\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"line-height: 1.5; text-align: left;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e1. There is a possibility that the U5Pro won't work normally if the single-ended or false balanced signal (use 3.5mm to XLR cable or switcher)  inputs directly.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e2. Please add the Douk Audio U1 single-ended to balanced adapter between the audio source and the U5pro if the audio source signal is single-ended.\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e3. Please make sure the headphones connected is balanced whose interface definition is L+\/L- R+\/R-\/(GND).\u003cbr\u003e4. Without DC 5V power adapter. Recommend using a USB phone charger of DC 5V(≥1A). Input over 5V will result in damage and U5 PRO won't work normally if the current is below 1A.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFeatures\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e【Fully balanced headphone amplifier】Adopting fully balanced amplifier circuit and innovative circuit design with built-in voltage booster circuit, the amplifier circuit of U5 PRO always works at a high voltage of ±14V even if input DC 5V, with wide frequency response extension, excellent transient response, excellent purity and transparency, and good dynamic range.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e【Easily to drive low or high impedance headphones】For a total power output of up to 1500mW under a 32Ω load, U5 PRO can easily power headphones with any low or high impedance (18-600Ω). Volume knob allows you to smoothly adjust volume without any undesirable noise nor any channel imbalances.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e【Classic OP+BUF architecture】U5 PRO adopts OP42 and BUF634, classic OP+BUF architecture, and pure DC amplification circuit, ensuring every note is rendered with outstanding clarity and purity. Designed with four independent paths, it delivers exceptional sound quality, making it an ideal choice for audiophiles.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e【Pure analog design and pluggable op amp】Pure analog amplification circuit and analog control, show you the truest sound, all aspects are in the top-class such as sound field, sound position, details etc. Pluggable op amp socket design, OP42 can be replaced by OP17, AD797, AD843, AD847, and OPA627, convenient to upgrade different op amps to enjoy other sound styles.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e【Most cost-effective amp on the market】Mini size and exquisite appearance, and with low distortion, high power and a pure, uncolored sound, you'll experience subtle details and shocking swings in your music effortlessly. U5 PRO, the best helper for all XLR\/4.4mm headphones to improve their sound quality.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"line-height: 1.5; text-align: left;\"\u003e\n\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eParameters:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio input: stereo L\/R XLR (3-core, female)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAudio output: XLR (4-core, female)\/4.4mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eOutput power: ≥1500mW(32Ω)\u003c\/span\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMatched headphone impedance: 18-600Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eMax output amplitude voltage: ±14V \u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eFrequency response: 20-30KHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eSNR: ≥110DB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eTHD: 0.005%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eInput voltage: DC 5V (≥1A)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eDimension(W*D*H): 70*82*38mm\/2.76*3.23*1.50in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eNet weight:172g\/0.38lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"line-height: 1.5;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePackage weight: 300g\/0.66lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003ePacking List\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*U5 PRO Headphone Amplifier\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1*USB to DC Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406762361064,"sku":"XZ-U5-PRO-US","price":79.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406762393832,"sku":"XZ-U5-PRO-UK","price":79.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406762426600,"sku":"XZ-U5-PRO-DE","price":79.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406762459368,"sku":"XZ-U5-PRO-AU","price":79.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47406762492136,"sku":"XZ-U5-PRO","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/10_c0d4a06b-a56e-4ae5-a634-7eb006436981.jpg?v=1722241452","url":"https:\/\/doukaudibestseller.com\/es-ca\/products\/douk-audio-u5pro-hifi-fully-balanced-headphone-amplifier-mini-stereo-amp-for-xlr-4-4mm-headsets","provider":"Douk Audio","version":"1.0","type":"link"}