---
product_id: 576801869
title: "P3 Tube Preamp Headphone Amplifier Home Audio Preamplifier Mini Vacuum Pre Amp Receiver with Bluetooth aptX LL HD Bass Treble Tone Controls for HiFi Stereo Active Speakers with RCA AUX Jack"
brand: "fosi audio"
price: "€ 193.85"
currency: EUR
in_stock: true
category: "Fosi Audio"
url: https://www.desertcart.hr/products/576801869-p3-tube-preamp-headphone-amplifier-home-audio-preamplifier-mini-vacuum
store_origin: HR
region: Croatia
---

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

**Brand:** fosi audio
**Price:** € 193.85
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate Your Audio Game with Vintage Warmth & Modern Wireless Freedom

## Quick Answers

- **What is this?** P3 Tube Preamp Headphone Amplifier Home Audio Preamplifier Mini Vacuum Pre Amp Receiver with Bluetooth aptX LL HD Bass Treble Tone Controls for HiFi Stereo Active Speakers with RCA AUX Jack by fosi audio
- **How much does it cost?** € 193.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/576801869-p3-tube-preamp-headphone-amplifier-home-audio-preamplifier-mini-vacuum)

## 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

- • **Audiophile-Grade Build:** High SNR (103dB) and low crosstalk (95dB) deliver pristine sound clarity, backed by a 24-month warranty for peace of mind.
- • **Warm Analog Tube Sound:** Experience rich, full-bodied audio with 54V tube preamplification that elevates every note.
- • **Precision Tone Sculpting:** Fine-tune your sound with premium ELNA capacitors and tactile bass/treble controls featuring central detents for perfect balance.
- • **Versatile Connectivity Hub:** Easily integrate with RCA, AUX, and 3.5mm outputs for a custom HiFi setup or headphone amp supporting 16Ω–300Ω impedance.
- • **Seamless Wireless Streaming:** Bluetooth 5.1 with Qualcomm QCC3031 chip ensures crystal-clear, low-latency aptX HD and LL connectivity.

## Overview

The Fosi Audio P3 is a compact tube preamplifier and headphone amplifier combining classic vacuum tube warmth with modern Bluetooth 5.1 aptX HD/LL wireless technology. It features 54V tube amplification for rich, detailed sound, versatile RCA/AUX connectivity, and precision bass/treble tone controls. Designed for audiophiles and professionals, it supports headphones from 16Ω to 300Ω and delivers high-fidelity audio with a 103dB signal-to-noise ratio. Perfect for creating a premium HiFi stereo setup or enhancing headphone listening with vintage character and wireless convenience.

## Description

desertcart.com: Fosi Audio P3 Tube Preamp Headphone Amplifier Home Audio Preamplifier Mini Vacuum Pre Amp Receiver with Bluetooth aptX LL HD Bass Treble Tone Controls for HiFi Stereo Active Speakers with RCA AUX Jack : Electronics

## 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. Important Tips: Remove the copper rings for effortless installation of the tubes on the P3
- 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, 5654W Vacuum Tube x2, 12V/1.5A Power Supply x1

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CJBKWF43 |
| Best Sellers Rank | #24,760 in Electronics ( See Top 100 in Electronics ) #13 in Audio Component Preamplifiers |
| Brand | Fosi Audio |
| Brand Name | Fosi Audio |
| Customer Reviews | 4.4 out of 5 stars 527 Reviews |
| Item Dimensions | 4.33 x 6.3 x 1.57 inches |
| Item Weight | 500 Grams |
| Item dimensions L x W x H | 4.33 x 6.3 x 1.57 inches |
| Manufacturer | Fosi Audio |
| Model | P3 |
| Number of Channels | 2 |
| Number of Items | 1 |
| Part Number | P3 |
| Unit Count | 1.0 Count |
| Voltage | 230 Volts |
| Warranty Description | 24 Month Manufacturer |

## Product Details

- **Brand:** Fosi Audio
- **Item dimensions L x W x H:** 4.33 x 6.3 x 1.57 inches
- **Manufacturer:** Fosi Audio
- **Number of Channels:** 2
- **Voltage:** 230 Volts

## Images

![P3 Tube Preamp Headphone Amplifier Home Audio Preamplifier Mini Vacuum Pre Amp Receiver with Bluetooth aptX LL HD Bass Treble Tone Controls for HiFi Stereo Active Speakers with RCA AUX Jack - Image 1](https://m.media-amazon.com/images/I/61NP2Uy22eL.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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**Shop now:** [https://www.desertcart.hr/products/576801869-p3-tube-preamp-headphone-amplifier-home-audio-preamplifier-mini-vacuum](https://www.desertcart.hr/products/576801869-p3-tube-preamp-headphone-amplifier-home-audio-preamplifier-mini-vacuum)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-15*