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Fosi Audio Box X4 Tube Phono Preamp for Turntables

Enjoy warm, rich sound from your vinyl with this easy-to-use tube phono preamp

Product Price

$89.99 $79.99

Product Review Score

4.2 out of 5 stars

146 reviews

Product Summary

The Fosi Audio Box X4 Tube Phono Preamp is your go-to for bringing that warm, rich sound to your vinyl collection. It easily connects to turntables, offering smooth operation and great audio quality without breaking the bank.

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Additional Product Details

  • Upgrade your audio game with the Fosi Audio Box X4 Tube Phono Preamp for turntables
  • It converts phono signals to line level, minimizing low-frequency noise for crisp sound
  • Designed for MM turntables, it supports 3.5MM AUX and RCA outputs
  • Protect your turntable with the handy grounding post feature
  • Use it as a tube headphone amplifier, offering flexibility in your listening experience
  • Swap out the vacuum tubes for customization with options like 6K4, 6J1, and 6J4
  • Explore different tubes to achieve unique sound profiles—perfect for DIY enthusiasts
  • Included in the box are the Box X4 preamp, a DC 12V power supply, a user manual, and two 5725W tubes

Powerful sound delivered with vintage charm

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