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

Fosi Audio P4 Mini HiFi Preamplifier

Equipped with triple inputs, tone control, and remote control for a convenient and customizable audio experience.

Another Masterpiece Driven by Voice of Customers

The P4 is a mini preamp self-developed by Fosi Audio based on extensive

feedback from users worldwide after the launch of the V3 stereo amp.

The Mini Control Hub for Your Home Audio System

Easily connect up to three audio sources, with one-touch input switching for ultimate audio freedom.

Perfectly Paired with the V3 Amp

With a harmonious appearance, it elevates both the visual and audio experience of your sound system.

All-Aluminum Alloy CNC Construction

Metallic texture, compact and refined, with enhanced resistance to electromagnetic interference.

Adjust Bass and Treble at Ease

Achieve personalized sound signature for a tailored listening experience.

Match different output levels from audio sources for improved sound quality.

Bypass the tone control circuit to enjoy the purest high-fidelity sound.

Enjoying a Convenient Audio Experience

Easily adjust the volume, switch sources, and control the tone without leaving your seat.

High-Precision Motorized Analog Pot

Offer smooth volume adjustment while reducing noise and distortion for a purer soundscape.

Expandable connection for powered subwoofers/powered speakers.

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