Fosi Audio BOX X1 MM Phono Preamp


In stock


  • 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.


Specifications Details
Model BOX X1
Output Mode 3.5MM headphone output + RCA output
Input Mode MM turntable input, Grounding post input, 12V DC input
Output Active(powered) speakers, Headphone, Amplifier
Frequency Response Standard RIAA
THD ≤0.08% @ 1kHz and 3mV
SNR 70dB
Product Weight 0.35lb/161g
Device Dimension 3.94×0.98×2.17 inch
DC Input Range 12V
Input Voltage Range AC 100V – 240V
Output Voltage Level 2V max (P-P) at 10K Ohms
Power Supply 12V 1.5A

What’s in the box?

Item Quantity
Box X1 Phono Preamp x 1
12V 1.5A Power Adapter x 1
RCA Cable x 1
User’s Manual x 1


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