Fosi Audio Box X4 Phono Preamp With Jan 5654W Vacuum Tubes For Mm Turntable Phonograph Record Player With Volume Bass Treble Con

The Upgraded Version Of Fosi Audio Box X2 New-Generation Phono Preamp For Unrivaled Sound Quality Jan 5654W Tube Mm Phono Preamplifier: The Box X4 Phono Preamp Supports 35Mm 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 35Mm Aux Headphone And Rca Output, Highly Useful Beyond Imagination Applicable Vacuum Tube Model: 6K46J16J4Ge56546Ak566*In Vacuum Tubes, Etc You Can Replace The Vacuum Tubes To Diy Your Stereo System Different Tubes With Different Sounds