Fosi Audio Bluetooth Phono Preamp for Turntable Phonograph Preamplifier With GE5654 Vacuum Tube Amplifier Audio HiFi Box X3 DIY

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Sale price$69.99 Regular price$79.99


Fosi Audio Bluetooth Phono Preamp for Turntable Phonograph Preamplifier Amplificador Mini Stereo Audio HiFi Tube Amplifier Box X3

Notice: BOX X3 is only a preamplifier, not amplifier, can not be connected with passive speakers directly, If you need connect BOX X3 with passive speakers, you need to connect it with an amplifier then connect the amplifier with your passive speakers.


  • Tube MM Phono Preamplifier: Converts phono signals to Line Level Signals with low-noise integrated circuits and high-quality components to remove low-frequency noise ensure clear sound quality. Designed with grounding post to protect your turntable.

  • Tube Preamplifier: It's also a tube preamp with 3.5mm AUX Input. Designed and assembled by Fosi Audio from high-quality components. Great warm, smooth-sounding.

  • Applicable vacuum tube model: 6K4/6J1/6J1P/6J2/6J3/6J4/6J5/6AK5/6K4/6ZH1P/4.3a/4.3B/EF95 etc *In vacuum tubes, etc. You can replace the vacuum tubes to DIY your stereo system. Different tube with different sound.


  • Model: BOX X3

  • Power Adapter Output: 12V/1.5A

  • Product Adapter Input Voltage Range: AC 100V - 240V

  • Output Voltage Level: 650 Mv @3mV 1kHz

  • SNR ≥ 98dB

  • THD ≤ 0.1%

  • Frequency Response: Standard RIAA

  • Product Weight: 0.71 lb/320g

  • Input Mode: RCA+3.5mm AUX+ Bluetooth

Package Include:

*Box X3 Phono Preamp x1

*GE5654 Vacuum Tubes x2

*Power Adaptor x1

*User Manual x1

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