ZP3
DAC / Preamp
Fosi Audio P4 Mini Preamp 3 RCA Inputs Gain Bass Treble
Fosi Audio P4 — compact stereo preamp with three RCA inputs, adjustable gain, and bass/treble control for amps and subs.
$99.99 Buy on Amazon →
Overview
The Fosi Audio P4 is a preamp / phono stage designed for desktop, apartment, and living-room systems that need compact HiFi performance and practical connectivity. Compact stereo preamp with three RCA inputs, adjustable gain, and bass/treble control for amps and subs.
Built for listeners who want measurable performance without a bulky AV receiver, the P4 focuses on clean power, useful I/O, and strong value. Standout points include Three RCA inputs for multi-source switching; Selectable gain: 3 / 6 / 9 dB; Bass and treble tone controls. Use this product page to compare specs and photos before you buy on Amazon.
Key Features
- Three RCA inputs for multi-source switching
- Selectable gain: 3 / 6 / 9 dB
- Bass and treble tone controls
- Pairs cleanly with Fosi power amps and active speakers
Who It's For
Vinyl systems and HiFi front-ends that need clean gain, source switching, or tone shaping before a power amp. The P4 fits turntable setups, desktop preamp chains, and living-room systems that already have passive speakers and a Class-D amp.
Setup & Connectivity
On the desk or in a living-room rack, the P4 is easy to integrate: expect RCA inputs for classic HiFi and desktop sources. Review the photos and feature list on this page, then buy through Amazon when you are ready — the same Fosi Audio hardware sold on the official store.
Why Choose the P4
Choose the Fosi Audio P4 when you want three rca inputs for multi-source switching for source control and vinyl-ready gain stages. It sits in the same product family as Fosi’s popular TPA3255 amplifiers, balanced DAC preamps, and gaming DAC/AMPs — compact components that punch above their price on Amazon and the official Fosi Audio catalog.
Why Fosi Audio
Fosi Audio builds compact HiFi amplifiers, DACs, and desktop audio gear that punch above their price. Fosi Audio preamps and phono stages give turntables and line sources clean gain, tone control, and compact front-end control. Shop the same products featured on Amazon with specs and photos collected here for easy comparison.
Compare & explore
Browse more preamps & phono, compare with Fosi Audio ZP3 and Fosi Audio P3 Tube Preamp Headphone Amplifier Bluetooth, or explore DAC & amp models for source components.
