Fosi Audio BOX X4 Phono Preamp Headphone Amplifier/Preamplifier Hi-Fi Pre Amp with JAN 5725W Vacuum Tubes for MM Turntable Phonograph Record Player with Volume Bass Treble Control

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Colour: BOX X4

Fosi Audio BOX X4 Phono Preamp Headphone Amplifier/Preamplifier Hi-Fi Pre Amp with JAN 5725W Vacuum Tubes for MM Turntable Phonograph Record Player with Volume Bass Treble Control
BOX X4

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Product description

  • Pro-Grade MM Phono Stage with Grounding Terminal Upgraded from BOX X2, the BOX X4 delivers audiophile-grade clarity for your turntable. Features a low-noise JAN 5725W vacuum tube preamp with MM input and built-in earth terminal to eliminate hum and protect vinyl systems. Ensure your turntable s internal preamp is disabled for pure analog playback.
  • Dual-Output Flexibility--Preamp + Headphone Amp Switch seamlessly between RCA line-level output for amplifiers and 3.5mm headphone output for private listening. Engineered to drive most headphones, ideal for late-night vinyl sessions without disturbing others.
  • Tube Rolling Flexibility for Custom Sound Unlock endless audio personalities! Swap stock JAN 5725W tubes with 6K4 6J1 GE5654 6AK5 tubes (sold separately). A DIY haven for vinyl enthusiasts.
  • Active Bass & Treble Controls for Vinyl Optimization Fine-tune your records with 10dB bass treble EQ boost warmth for vintage LPs or sharpen detail for modern pressings. Paired with low-noise circuitry to preserve original analog character.
  • Complete Kit with Extended Warranty Includes BOX X4 phono preamp, DC 12V power supply, user manual, our worry-free 24-month warranty, and friendly customer service.

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