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Fosi Audio

Fosi Audio Box X4 Phono Preamp & Headphone Amplifier with JAN 5654W Vacuum Tubes for MM Turntable Phonograph Preamplifier

Regular price $79.99 USD
Regular price $79.99 USD Sale price $79.99 USD
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  • 2021 NEW MODEL: 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: 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.

  • What You Get: BOX X4 phono preamp, DC 12V power supply, user manual, our worry-free 18-month warranty, and friendly customer service.

Phono Preamp & Headphone Amplifier with JAN 5654W Vacuum Tubes for MM Turntable Phonograph Preamplifier for Record Player with Volume Bass Treble Control Hi-Fi Pre Amp Fosi Audio Box X4

Specifications

  • Input Interface: MM turntable input, 3.5mm AUX input, 12V DC input

  • Output Interface: RCA output, 3.5mm headphone output

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

  • Applicable headphone types: 16 Ω - 300 Ω

  • Output Voltage Level: 1kHz and 650mV

  • SNR: ≥ 70dB

  • THD: ≤0.1%

  • Frequency Response: Standard RIAA

  • Product Adapter Input Voltage Range: AC 110V - 240V