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Mini Vacuum Tube Amplifier Bluetooth 5.0 Receiver Headphone Amp Stereo Audio Amp

Bluetooth 5.0 & 3.5mm AUX input: with input selection switch, can be perfectly compatible with most audio device such as phone, computer, TV, CD player, DAC and so on. With banana speaker jacks and 3.5mm headphone output, easy to enjoy HiFi music in diffe
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  • Description
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Notice:3.5mm headphone jack output is prior, stereo RCA output will auto disconnect when headphone is inserted.
Features
  • Bluetooth 5.0 & 3.5mm AUX input: with input selection switch, can be perfectly compatible with most audio device such as phone, computer, TV, CD player, DAC and so on. With banana speaker jacks and 3.5mm headphone output, easy to enjoy HiFi music in different ways.
  • 6N3 Vacuum tube & HiFi Sound: effectively eliminate the harsh digital sound, providing HiFi clear, soft and smooth, warm and sweet tube sound. The sound field is wide, especially suitable for vocals, strings, light music, classical music, etc.
  • Mature circuit, reasonable and concise layout, less wiring with less noise. And high-quality Components are used to improve the sound quality:

QCC3008 Bluetooth chip supports APT-X, APTX-LL, adding classic TDA1543 chip for decoding and external high-gain detachable antenna, makes its sound transmission low-delay and lossless.

TPA3116 amplifier IC, max output power of each channel can reach 50W, easily to drive most home desktop / bookshelf / indoor passive speakers.

Classic MAX9722 headphone chip, 300mW output power can drive most 16-300 ohm headphones, convenient to enjoy HiFi music alone or at night.

  • Super mini size and exquisite appearance, with power and select switch, working indicators and volume control. Using all-aluminum chassis CNC machined and laser carving, looks fashionable and powerful, perfectly suitable for your desktop or a smaller space in your home or office. 

Parameters
  • Audio input: Bluetooth /3.5mm AUX
  • Audio output: banana speaker jacks / 3.5mm headphone jack
  • Bluetooth version: 5.0 (support APTX/APTX-LL)
  • Chipset: QCC3008+1543+TPA3116+MAX9722
  • Rated output power: 30W*2@8Ω / 50W*2@4Ω
  • Frequency Response: 20Hz-20KHz(±3dB)
  • SNR: >99 dB
  • THD: <0.1%
  • Headphone amp part:
Headphone matched impedance: 16-300Ω
Headphone output power: 300mW
THD+N: 0.004% (RL > 10 kΩ) / 0.020% (RL = 32 Ω)
SNR: >99 dB
Dynamic range: >99 dB
  • Working voltage: DC 12V-15V (recommend 12V)
  • Dimensions(W*D*H): 94*91*30mm / 3.70*3.58*1.18in
  • Package dimensions(W*D*H): 250*190*80mm / 9.84*7.48*3.15in
  • Net weight: 295g / 0.65lb
  • Package weiht: 600g / 1.32lb

Packing List
  • 1*Nobsound A7 Amplifier
  • 1*6N3 Tube
  • 1*12V Power Adapter
  • 1*Bluetooth Antenna
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