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Mini Vacuum Tube Preamp Bluetooth Audio Receiver USB DAC Headphone Amp APTX-HD

P1 can be used as HiFi tube Preamp, USB DAC or headphone amp.With Bluetooth 5.0 and PC-USB, compatible with Windows/Mac/Linux system, match with most of home audio stereo system devices. Exquisite appearance with proper size.
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  • Description
  • Reviews
  • With 3 kinds of audio input(Bluetooth/USB/RCA) and 2 kinds of output(RCA/3.5mm headphone), P1 can be used as HiFi tube Preamp, USB DAC or headphone amp with HiFi clear, warm, dynamic, sweet tube sound, bringing extremely high-quality listening experience.
  • Bluetooth 5.0 (QCC3034) supporting APTX-HD lossless transmission. PC-USB (CM6642) supporting 24bit 192KHz and compatible with Windows/Mac/Linux system, matching well with many audio devices such as iPod, Phone, MP3 players, TV, Blu-ray players, Echo Dot, CD players, etc. 
  • Adopting NE5532 op amp+classic 47 headphone amp architecture which can drive 32-300 ohms headphones, and a bypass switch is specially designed to turn on/off the tone control, more convenient to enjoy original sound or obtain more delicate sound with treble and bass control knob, adding much fun and higher playability. 
  • Exquisite appearance with proper size, blue and orange light decorating vacuum tube, makes it fashionable and attractive, bringing wonderful auditory and visual enjoyment, very suitable for home and desktop audio system.

Chip Architecture: CM6642+QCC3034+NE5532+classic 47  
PC-USB Input Sampling Frequency 192K/24Bit THD 0.01%
PC-USB System supported XP/W7/W8/W10/MAC/Linux Bluetooth VER 5.0
Headphone matching impedance 32-300Ω SNR 103dB
Headphone Max power output 160mW 32Ω load Working voltage DC12V
Bass & Treble Range ±6dB Product Dimension 180*118*36mm
RCA output level 2.3V Product Weight 0.47kg
Frequency Range 20Hz-20kHz(±3dB) Package Dimension 240*210*60mm

Packing List
  • 1*P1 Preamp
  • 2*6J5 Tube
  • 1*Power Supply
  • 1*USB Cable
  • 1*Bluetooth Antenna 
  • 1*Manual
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