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Fosi Audio

Fosi Audio BOX X1-MM Phono Preamp MM Turntable Preamplifier With 3.5mm AUX Headphone Output

Regular price $36.99 USD
Regular price Sale price $36.99 USD
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  • Converts Phono Signals: Compact ultra-low noise phono turntable preamp that converts phono signals to line-level signals with Low-noise integrated circuits and high-quality components to remove low-frequency noise to ensure clear sound quality. Designed with a grounding post to protect your turntable.
  • Features Power Switch & 3.5MM Headphone Output: The unique power switch button design is very convenient to use. You can enjoy high-quality music with headphones through the 3.5 mm headphone output. Note: RCA line output and AUX headphone output can be output simultaneously.
  • 3.5MM / RCA Output: BOX X1 supports MM turntable input, 3.5MM headphone output, and RCA line output for powered speakers. Note: You can connect a power amplifier through the 3.5MM or RCA output, then connect the passive speakers.
  • MM Phono Preamplifier & DC12V Power Adapter: Output Voltage Level: 2V max (P-P) at 10K Ohms, SNR: 70dB, THD: ≤0.08% @ 1kHz and 3mV, Frequency Response: Standard RIAA. Equipped with DC12V high-quality power supply.
  • Easy quick setup for all MM (moving magnet) cartridges, Metal Aluminum case protects the unit from vibrations and electromagnetic interference.
Phono Preamp for Turntable with Volume Control Box X1
Phono Preamp for Turntable with Volume Control Box X1


  • Input interface: MM turntable input, Grounding post input, 12V DC input

  • Output Interface: 3.5MM headphone output, RCA output

  • Output: Active(powered) speakers, Headphone, Amplifier

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

  • DC Input Voltage: 12V

  • Output Voltage Level: 2V max (P-P) at 10K Ohms

  • SNR: 70dB; THD: ≤0.08% @ 1kHz and 3mV

  • Frequency Response: Standard RIAA

  • Product Weight: 0.35lb / 161g

  • Product Dimensions: 3.94×0.98×2.17 inch

Package Include:

  • BOX X1 phono preamp x1

  • 12V power adapter x1

  • User manual x1