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Fosi Audio P4 Mini Preamp with 3 RCA Inputs, Home Audio Stereo Pre amp for Amplifier/Active Subwoofer/Speakers, Preamplifier with 3-Level Adjustable Gain 3/6/9 dB, Bass and Treble Control

Mini Control Hub: The P4 supports up to 3 RCA inputs, allowing easy connection to CD players, streamers, DACs, cassette decks, and turntables with built-in phono preamp. Switch between sources with a click for seamless audio control
Practical and User-Friendly: Equipped with volume control, bass and treble adjustment with bypass function, three-level gain control, and a remote. The preamplifier offers convenient audio setup and optimization, making every listening session effortless
Motorized Potentiometer: Featuring a high-precision motorized analog pot, the P4 delivers smooth volume adjustment, reduced noise, and minimal distortion for a purer and more refined sound experience
Compact and Solid: The P4 stereo pre amp features a sleek, minimalist design that saves space and provides robust resistance to electromagnetic interference, ensuring reliable performance over time

Overview

Specs

Reviews

Mini preamp pre amplifier 3 RCA inputs motorized volume control all-metal selector compact remote control gain 3/6/9 dB bypass treble bass adjustment

Additional Information
First Listed on Newegg	July 06, 2026

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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