Fosi Audio Box X4 MM Phono Preamplifier Tube
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Fosi Audio Box X4 MM Turntable Phono Preamplifier.
- The updated version for BOX X2. Next-generation phono preamp for unrivaled sound quality.
- JAN 5654W Tube MM Phono Preamplifier: The BOX X4 phono preamp supports 3.5MM AUX and MM turntable input, converting 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 a grounding post to protect your turntable.
- Tube Headphone Amplifier & Preamplifier: The BOX X4 is designed with a 3.5MM AUX headphone and RCA output, highly useful beyond imagination.
- Applicable Vacuum Tube Model: 5654W/6K4/6J1/6J4/GE5654/6AK5/66*In vacuum tubes, etc. You can replace the vacuum tubes to DIY your stereo system. Different tubes with different sounds.
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Specifications Details Model BOX X4 Applicable headphone types 16 Ω Input Mode MM turntable + 3.5mm AUX Output Mode RCA + 3.5mm headphone output Output Active(powered) speakers, Amplifier, Headphones Frequency Response Standard RIAA THD ≤ 0.1% SNR ≥ 70dB Device Dimension 4.72 x 3.97 x 1.37 inches DC Input Range 12V Input Voltage Range AC 110V – 240V Output Voltage Level 1kHz and 650mV Power Supply 12V 1.5A