Fosi Audio P3 Tube Preamp Headphone Amplifier Bluetooth

Fosi Audio P3 — mini vacuum-tube preamp and headphone amp with Bluetooth aptX, bass/treble controls, and RCA/AUX I/O.

★ 4.5 · 531 reviews Preamps & Phono
$79.99 $99.99 Buy on Amazon →

Overview

The Fosi Audio P3 is a preamp / phono stage designed for desktop, apartment, and living-room systems that need Bluetooth wireless streaming, dedicated headphone amplification, tube warmth for HiFi listening. Mini vacuum-tube preamp and headphone amp with Bluetooth aptX, bass/treble controls, and RCA/AUX I/O.

Built for listeners who want measurable performance without a bulky AV receiver, the P3 focuses on clean power, useful I/O, and strong value. Standout points include Tube-flavored preamp for active speakers and amps; Bluetooth aptX HD/LL plus RCA and AUX inputs; Built-in headphone amplifier output. Use this product page to compare specs and photos before you buy on Amazon.

Key Features

  • Tube-flavored preamp for active speakers and amps
  • Bluetooth aptX HD/LL plus RCA and AUX inputs
  • Built-in headphone amplifier output
  • Bass and treble tone controls in a tiny chassis

Who It's For

Vinyl systems and HiFi front-ends that need clean gain, source switching, or tone shaping before a power amp. The P3 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 P3 is easy to integrate: expect RCA inputs for classic HiFi and desktop sources, Bluetooth streaming for phones, tablets, and laptops, headphone outputs for IEMs and over-ear cans. 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 P3

Choose the Fosi Audio P3 when you want tube-flavored preamp for active speakers and amps 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 P4 Mini Preamp 3 RCA Inputs Gain Bass Treble, or explore DAC & amp models for source components.