Fosi Audio P4 Mini Preamplifier – 3 RCA Inputs, Gain Adjustable, Bass & Treble Control, Class A

Get total control over your sound with the Fosi Audio P4 Mini Preamplifier.

This little unit packs a punch, giving you three RCA inputs, adjustable gain, and dedicated bass and treble controls.

It's a Class A amplifier, known for clean, high-quality audio.

The P4 is brand new and comes from Fosi Audio with a 2-year manufacturer warranty.

This is a pre-sale for the 2025 manufactured model, so you're getting the latest version.

Whether you're integrating it into a desktop setup, a home theater, or a dedicated stereo system, the P4 lets you dial in your sound exactly how you like it.