Fosi Audio P4 Mini Stereo Preamp, 3 RCA Inputs, for Amplifier, Active Subwoofer and Speakers

3 RCA INPUTS: The Fosi Audio P4 features three RCA inputs, allowing you to connect multiple audio sources and switch between them with ease. VERSATILE COMPATIBILITY: Designed to work seamlessly with amplifiers, active subwoofers, and speakers for a flexible home audio stereo setup. TONE CONTROL: Dedicated bass and treble knobs on the front panel let you fine-tune your sound to suit your listening preferences. COMPACT MINI DESIGN: The P4's small form factor makes it ideal for desktop or shelf placement without taking up valuable space in your audio setup. EASY OPERATION: A simple MODE button with LED indicators allows quick input switching, while the large volume knob provides smooth and precise level control.