{"product_id":"nobsound-hifi-hybird-stereo-valve-tube-amplifier-bluetooth-5-0-audio-receiver-coax-opt-power-amp-usb-player","title":"Nobsound HiFi Hybird Stereo Valve Tube Amplifier Bluetooth 5.0 Audio Receiver COAX \/ OPT Power Amp USB Player","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDouk Audio\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChannels\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e2 (2.0)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHign-concerned Chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaximum Power Per Channel\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e131-200W\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"16942927\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"background-color:rgb(255, 255, 255)\"\u003eWarm tips:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e\u003cspan style=\"background-color:rgb(255, 255, 255);color:rgb(0, 0, 0)\"\u003e1. Only in the condition of large dynamic music and much bass effect the VU meter will work.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003eFeatures\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cdiv id=\"pastingspan1\" style='font-family:\"Times New Roman\";font-size:14pt'\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003eWith 5 kinds of analog and digital audio input (Bluetooth 5.0 \/ USB \/ Coaxial \/ Optical \/ 2 groups of RCA), compatible with almost all audio devices such as MP3, phone, tablet, computer, CD players etc. to meet different needs of home audio systems. U-disk input supports lossless formats such as APE, FLAC, WAV etc., easy to enjoy HiFi music.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003eBesides speaker output (4\/6\/8Ω), a low frequency output is specially designed to connect active subwoofer to build 2.1 channel audio systems, which can strengthen bass sound effects to bring more shocking experience just like in the cinema. With treble and bass control to bring more delicate sound according to your own listening style.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003eIntegrated design of vacuum tubes and transistors, using EL84\/6K4\/5726 tube for pre-amplificatoin, WY2P tube for rectification, the sound is clear, warm, smooth and delicate. And using 4PCS Toshiba 5200 and 4PCS 1943 transistors for power amplification, dual toroidal transformers is added that can stably output max 100W in each channel, easily to drive all home passive speakers.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003eUnique design and attractive appearance, exquisite black panel and retro vacuum tube are combined that looks luxurious and elegant. With dual VU meter to dynamically to decorate the listening enjoyment, and display screen can show the working status in real time, very suitable for home and desktop audio system use.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\"\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003eParameters\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv id=\"pastingspan1\" style=\"font-size:14pt\"\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eAudio input: Bluetooth \/ 2 groups of RCA \/ USB(U-disk) \/ Coaxial \/ Optical\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eAudio output: speaker jack \/ low frequency output (connect active subwoofer)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eU-disk supported sampling rate: 16Bit\/48KHz\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eU-disk supported formats: MP3\/WAV\/APE\/FLAC\/WMA\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eU-disk max storage capacity: 128G\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eBluetooth version: 5.0\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eOutput impedance: 4-16Ω \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eRated output power: 100W+100W @4Ω \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003e                                   70W+70W @8Ω\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eFrequency response: 20HZ-20KHZ(±2dB)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003ePower consumption: 300W\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eInput impedance: 47KΩ\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eInput sensitivity: 800mV\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eTreble and Bass range: ±9dB\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eSignal to noise ratio: ≥88dB\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eSeparation: ≥80dB\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eTHD: ≤0.5%(1KHz)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eDimensions(W*D*H): 330*315*160mm \/ 12.99*12.44*6.30in\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003ePackage dimensions(W*D*H): 380*350*210mm\/ 14.96*13.78*8.30in\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003eNet weight: 7.16kg \/ 15.79lb\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"Times New Roman\"'\u003ePackage weight: 9.0kg \/ 19.84lb\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv id=\"pastingspan1\" style='font-family:\"Times New Roman\";font-size:14pt'\u003e\u003cspan style=\"font-size:26px\"\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\" style='font-family:\"Times New Roman\";font-size:14pt'\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e1*Tube Amplifier\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:26px\"\u003e\u003cspan style='font-family:\"Times New Roman\", Times, serif'\u003e1*Power Cord\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;display:block;width:100%\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S97b06880178c44fbaf7350fec8281433i.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se8f32303dad144498e23d103508577a2e.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7c26b7724bc4404c944edf82e40d97020.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S00d04cc8fe8d45d6b5077fa6adf90dcex.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se7d8711603114adc8c6ea9b18b9c0bff0.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S73e41a2f7da548e9a09409d64e283822h.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S27513a3c61e9431e984036e0502d7742s.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S92a2187136874484904a2ccce68d33bff.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"16939938\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Indomitable Spirit Group ","offers":[{"title":"United States","offer_id":49433504252152,"sku":"200007763:201336106","price":431.17,"currency_code":"USD","in_stock":true},{"title":"UNITED KINGDOM","offer_id":49433504284920,"sku":"200007763:201336105","price":422.89,"currency_code":"USD","in_stock":true},{"title":"GERMANY","offer_id":49433504317688,"sku":"200007763:201336101","price":447.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/9635\/9672\/files\/S4b1a1095c3464bf19b354a4040c967333.webp?v=1782024690","url":"https:\/\/isgmusicpartners.com\/products\/nobsound-hifi-hybird-stereo-valve-tube-amplifier-bluetooth-5-0-audio-receiver-coax-opt-power-amp-usb-player","provider":"Indomitable Spirit Group ","version":"1.0","type":"link"}