{"product_id":"nobsound-hifi-bluetooth-5-0-6j5-rohrenvorverstarker-bass-vorverstarker-stereo-audio-kopfhorerverstarker-usb-dac-aptx","title":"Nobsound HiFi Bluetooth 5.0 6J5 tube preamplifier","description":"\u003cstrong\u003eCharacteristics\u003c\/strong\u003e\u003cbr\u003e With 3 types of audio inputs (Bluetooth\/USB\/RCA) and 2 types of outputs (RCA\/3.5mm headphone), the P1 can be used as a HiFi tube preamp, USB DAC or headphone amplifier with a clear, warm, dynamic and sweet HiFi tube sound, providing an extremely high-quality listening experience.\u003cbr\u003e Bluetooth 5.0 (QCC3008) supports APT-X, APT-X LL lossless transmission. PC-USB (CM6642) supports 24bit 192KHz and is compatible with Windows\/Mac\/Linux systems, fits well with many audio devices such as iPod, phone, MP3 player, TV, Blu-ray player, Echo Dot, CD player, etc. \u003cbr\u003eAdopting 2PCS NE5532 classic 47 headphone amplifier architecture, which can drive 32-300 ohm headphone, and a bypass switch is specially designed to turn the tone control on\/off, more convenient to enjoy original sound or get more delicate sound with treble and bass controls, add much fun and higher playability.\u003cbr\u003e Exquisite appearance with reasonable size, blue and orange light decorate vacuum tube, makes it fashionable and attractive, bring wonderful auditory and visual enjoyment, very suitable for home and desktop audio system.\u003cbr\u003e \u003cstrong\u003eparameter\u003c\/strong\u003e\u003cbr\u003e Chip architecture: CM6642+QCC3008+NE5532+classic 47\u003cbr\u003e\u003cfigure class=\"table\"\u003e\u003cbr\u003e\u003ctable\u003e\n\n\u003cbr\u003e\u003ctbody\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003cbr\u003e\u003ctd\u003e PC USB input sampling frequency\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e 192K\/24Bit\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e THD\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e 0.01%\u003c\/td\u003e\n\n\u003cbr\u003e\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003cbr\u003e\u003ctd\u003e PC-USB system supported\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e XP\/W7\/W8\/W10\/MAC\/Linux\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e Bluetooth VER\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e 5.0\u003c\/td\u003e\n\n\u003cbr\u003e\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003cbr\u003e\u003ctd\u003e headphone matching impedance\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e 32-300Ω\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e SNR\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e 103dB\u003c\/td\u003e\n\n\u003cbr\u003e\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003cbr\u003e\u003ctd\u003e headphone max power output\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e 160mW 32Ω load\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e operating voltage\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e DC12V\u003c\/td\u003e\n\n\u003cbr\u003e\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003cbr\u003e\u003ctd\u003e bass and treble range\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e ±6dB\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e product dimension\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e 180*118*36mm\u003c\/td\u003e\n\n\u003cbr\u003e\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003cbr\u003e\u003ctd\u003e RCA output level\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e 2.3V\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e Product Weight\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e 0.47kg\u003c\/td\u003e\n\n\u003cbr\u003e\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003cbr\u003e\u003ctd\u003e frequency range\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e 20Hz-20kHz(±3dB)\u003c\/td\u003e\n\n\u003cbr\u003e \u003ctd\u003eDimensions Package\u003c\/td\u003e\n\n\u003cbr\u003e\u003ctd\u003e 240*210*60mm \u003c\/td\u003e\n\n\u003cbr\u003e\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\n\n\u003c\/tbody\u003e\n\n\u003cbr\u003e\n\n\u003c\/table\u003e\n\n\u003cbr\u003e\u003c\/figure\u003e\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003epacking list\u003c\/strong\u003e\u003cbr\u003e 1*P1 preamplifier\u003cbr\u003e 2*6J5 tube\u003cbr\u003e 1*Power supply\u003cbr\u003e 1*USB cable\u003cbr\u003e 1*Bluetooth antenna\u003cbr\u003e 1*manual \u003cbr\u003e\u003cbr\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/0427\/7069\/t\/4\/assets\/1689341838-1688149662-HTB1xLsldwmH3KVjSZKzq6z2OXXaV.jpgv1688149722?v=1689341840\"\u003e\u003c\/figure\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cfigure class=\"image\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/0427\/7069\/t\/4\/assets\/1689341840-1688149666-HTB1rGIldxiH3KVjSZPfq6xBiVXaf.jpgv1688149725?v=1689341842\"\u003e\u003c\/figure\u003e\u003cbr\u003e\u003cbr\u003e\u003cfigure class=\"image\"\u003e\u003cimg 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