The T3 phono preamp is designed for home MM(moving magnet) turntable record players that convert phono signals to line-level signals.This product is pre-amplified, and must be used with a power amplifier or active speaker. Volume adjustment allows you to maximize your record player performance with higher emission times Adopt pure copper GND and gold-plated RCA terminals, low noise integrated circuitry and high quality components to eliminate low frequency noise, ensure clear sound quality and bring you a HiFi listening experience.