---
product_id: 576705840
title: "Fosi Audio P3 Tube Preamp Headphone Amplifier Home Audio Preamplifier Mini Vacuum Pre Amp with Bluetooth aptX LL HD Bass and Treble Tone Controls for HiFi Stereo Active Speakers with RCA AUX Jacks"
brand: "fosi audio"
price: "$292.91"
currency: USD
in_stock: true
url: https://virgin.desertcart.com/products/576705840-fosi-audio-p3-tube-preamp-headphone-amplifier-home-audio-preamplifier
store_origin: VG
region: British Virgin Islands
---

# Bluetooth 5.1 aptX LL/HD 54V True Tube Amplification Bass & Treble Tone Controls Fosi Audio P3 Tube Preamp Headphone Amplifier Home Audio Preamplifier Mini Vacuum Pre Amp with Bluetooth aptX LL HD Bass and Treble Tone Controls for HiFi Stereo Active Speakers with RCA AUX Jacks

**Brand:** fosi audio
**Price:** $292.91
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate Your Sound Game with Tube-Powered Precision!

## Quick Answers

- **What is this?** Fosi Audio P3 Tube Preamp Headphone Amplifier Home Audio Preamplifier Mini Vacuum Pre Amp with Bluetooth aptX LL HD Bass and Treble Tone Controls for HiFi Stereo Active Speakers with RCA AUX Jacks by fosi audio
- **How much does it cost?** $292.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [virgin.desertcart.com](https://virgin.desertcart.com/products/576705840-fosi-audio-p3-tube-preamp-headphone-amplifier-home-audio-preamplifier)

## Best For

- fosi audio enthusiasts

## Why This Product

- Trusted fosi audio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ultimate Connectivity:** Versatile RCA, AUX, and headphone outputs support 16Ω-300Ω headphones and 2.1-channel speaker setups.
- • **Warm, Rich Tube Sound:** Experience authentic vacuum tube warmth with a powerful 54V preamp circuit that elevates every note.
- • **Plug & Play Confidence:** Includes dual 5725W vacuum tubes, 12V power supply, and a 24-month warranty for worry-free HiFi upgrades.
- • **Seamless Wireless Audio:** Bluetooth 5.1 with Qualcomm QCC3031 chip ensures crystal-clear, low-latency streaming with aptX HD & LL codecs.
- • **Audiophile-Grade Components:** Premium ELNA capacitors and precision taper A pot deliver pristine sound with 103dB SNR and 95dB crosstalk.

## Overview

The Fosi Audio P3 is a compact, high-performance tube preamplifier designed for audiophiles and professionals seeking warm, rich sound. Featuring a 54V true tube amplification circuit, Bluetooth 5.1 with aptX HD/LL support, and versatile RCA/AUX outputs, it supports a wide range of headphones and speaker setups. Built with premium ELNA capacitors and precision tone controls, it delivers high-fidelity audio with low noise and crosstalk. Perfect for creating immersive HiFi stereo systems, it comes complete with vacuum tubes, power supply, and a 2-year warranty.

## Description

Free delivery and returns on eligible orders. Buy Fosi Audio P3 Tube Preamp Headphone Amplifier Home Audio Preamplifier Mini Vacuum Pre Amp with Bluetooth aptX LL HD Bass and Treble Tone Controls for HiFi Stereo Active Speakers with RCA AUX Jacks at desertcart UK.

## Features

- True Tube Amplification: The preamp circuit elevates the voltage to 54V, ensuring the tubes work to their full potential, delivering a warm and rich experience. The unique preamplification technology delivers pure audio signals, faithfully reproducing crisp high tones, full midrange richness, and deep, rhythmic bass.
- Bluetooth 5.1: Equipped with the Qualcomm QCC3031 chip, the P3 preamp guarantees impressive wireless sound quality and low latency, with compatibility for aptX HD and aptX LL codecs formats. Furthermore, the inclusion of a manual reset button prevents accidental connections by others, enhancing connection reliability.
- Versatile Connectivities: The P3 provides Bluetooth/RCA inputs and RCA/AUX OUT/3.5mm headphone outputs. It can help create a 2.1-channel audio system by connecting active speakers/an amplifier and a subwoofer. As a headphone amplifier, it supports headphones with impedance ranging from 16Ω to 300Ω.
- Premium Components: It utilizes ELNA audiophile-grade capacitors and taper A pot. The bass and treble controls boast central detents for tone-defeating. With an SNR of up to 103dB and a crosstalk of 95dB, it helps form a HiFi audio system when paired with the V3 amplifier of the same series.
- What You'll Get: Fosi Audio P3 Tube Preamplifier x1, User Manual x1, 5725W Vacuum Tube x2, 12V/1.5A Power Supply x1, a 24-month worry-free warranty and responsive customer service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CJBKWF43 |
| Best Sellers Rank | 45,362 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 36 in Home Audio Preamplifiers |
| Brand | Fosi Audio |
| Country Of Origin | China |
| Customer Reviews | 4.4 4.4 out of 5 stars (556) |
| Item Dimensions | 11 x 16 x 4 centimetres |
| Item Weight | 500 Grams |
| Manufacturer | Fosi Audio |
| Manufacturer Part Number | P3 |
| Maximum Supply Voltage | 12 Volts |
| Minimum Supply Voltage | 12 Volts (DC) |
| Model Number | P3 |
| Number of Channels | 2 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Warranty | 2 years |
| Unit Count | 1.0 count |
| Voltage | 230 Volts |

## Product Details

- **Item dimensions L x W x H:** 11 x 16 x 4 centimetres
- **Manufacturer:** Fosi Audio
- **Maximum supply voltage:** 12 Volts
- **Minimum supply voltage:** 12 Volts (DC)
- **Voltage:** 230 Volts

## Images

![Fosi Audio P3 Tube Preamp Headphone Amplifier Home Audio Preamplifier Mini Vacuum Pre Amp with Bluetooth aptX LL HD Bass and Treble Tone Controls for HiFi Stereo Active Speakers with RCA AUX Jacks - Image 1](https://m.media-amazon.com/images/I/61tTkBBuxQL.jpg)

## Questions & Answers

**Q: I am unable to connect/align the vacuum tubes in the socket of the P3.**
A: Remove the copper rings for easier tube installation.

**Q: How to reset P3 Bluetooth？**
A: Resetting the P3's Bluetooth with the RST hole in the back.

**Q: Can the op-amps in P3 be replaced?**
A: No, they cannot be replaced.

**Q: P3 power supply compatibility**
A: P3 is compatible with DC 12V/1.5A~3A power supply.

**Q: Does P3 support LDAC?**
A: No, it does not support LDAC.

## Frequently Bought Together

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*Product available on Desertcart British Virgin Islands*
*Store origin: VG*
*Last updated: 2026-10-15*