I am unable to connect/align the vacuum tubes in the socket of the P3.

Remove the copper rings for easier tube installation.

How to reset P3 Bluetooth？

Resetting the P3's Bluetooth with the RST hole in the back.

P3 power supply compatibility

P3 is compatible with DC 12V/1.5A~3A power supply.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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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

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

Product ID: 582369934

Details

Brand
Fosi Audio
Color
Black
Item Weight
500 Grams
Output Channel Quantity
2
Power Source
AC

📶Bluetooth 5.1 aptX HD/LL

🔊54V tube voltage boost

🎚️Bass & treble tone control

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VT36831

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
Fosi Audio
Color
Black
Item Weight
500 Grams

Description

🎧 Elevate your sound game with vintage warmth and modern wireless finesse!

COMPACT POWERHOUSE - Mini metal chassis with 54V preamp voltage for full tube potential and HiFi stereo synergy.
VERSATILE CONNECTIVITY - Supports RCA, AUX, and 3.5mm outputs plus headphones from 16Ω to 300Ω impedance.
WARMTH MEETS PRECISION - True tube amplification delivers rich, natural sound with deep bass and clear highs.
SEAMLESS WIRELESS AUDIO - Bluetooth 5.1 with Qualcomm aptX HD & LL ensures crystal-clear, low-latency streaming.
AUDIOPHILE GRADE COMPONENTS - Premium ELNA capacitors and precision pots for refined tone shaping.

The Fosi Audio P3 is a compact tube preamplifier and headphone amplifier combining authentic vacuum tube warmth with advanced Bluetooth 5.1 aptX HD/LL wireless technology. Featuring a 54V preamp circuit, audiophile-grade ELNA capacitors, and versatile RCA/AUX/3.5mm outputs, it supports headphones from 16Ω to 300Ω impedance. Designed for HiFi stereo setups, it offers precise bass and treble tone controls and a dynamic range of 104dB, delivering a rich, immersive audio experience in a sleek metal enclosure.

Specifications

ASIN	B0CJBKWF43
Amplifier Type	Tube
Best Sellers Rank	#28,820 in Electronics ( See Top 100 in Electronics ) #4 in Pre-Amplifiers
Brand	Fosi Audio
Brand Name	Fosi Audio
Colour	black
Compatible Devices	all
Connector Type	RCA, 3.5mm Jack
Country of Origin	China
Customer Reviews	4.4 out of 5 stars 481 Reviews
Enclosure Material	Metal
Importer Contact Information	[email protected]
Item Type Name	amplifier
Item Weight	500 Grams
Item Weight Unit of Measure	500 Grams
Manufacturer	Fosi Audio
Manufacturer Part Number	P3
Material	Metal
Model Name	P3
Model Number	P3
Number of Bands	2
Output Channel Quantity	2
Packer Contact Information	[email protected]
Unit Count	1 Count

Reviews

A**S

10.01.2026

C**R

7.10.2025

H**Z

16.10.2024

R**R

23.02.2026

J**H

9.02.2026

R**H

12.03.2025

J**N

27.08.2025

S**I

1.08.2025

T**R

16.05.2024

A**ー

17.02.2025

N**S

8.07.2024

J**L

5.11.2023

P**E

4.05.2025

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