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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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

Item dimensions L x W x H
11 x 16 x 4
Manufacturer
Fosi Audio
Maximum Supply Voltage
12 Volts
Minimum Supply Voltage
54 Volts
Voltage
230 Volts

📶Bluetooth 5.1 aptX HD/LL

🔊54V tube voltage boost

🎚️Bass & treble tone control

R3849

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Elevate Your Sound Game with Vintage Warmth & Modern Wireless Freedom

VERSATILE CONNECTIVITY - Multiple inputs/outputs including RCA, AUX, and 3.5mm headphone jack for flexible HiFi setups.
SEAMLESS WIRELESS AUDIO - Bluetooth 5.1 with Qualcomm QCC3031 chip ensures ultra-low latency and high-res aptX HD streaming.
WARM TUBE AMPLIFICATION - Experience rich, natural sound with 54V tube power delivering deep bass and crystal-clear highs.
AUDIOPHILE GRADE COMPONENTS - Premium ELNA capacitors and precision tone controls for pristine sound clarity and dynamic range.
BROAD HEADPHONE COMPATIBILITY - Supports headphones from 16Ω to 300Ω impedance, perfect for professional and casual listening.

The Fosi Audio P3 Tube Preamp Headphone Amplifier combines classic vacuum tube warmth with cutting-edge Bluetooth 5.1 aptX HD/LL technology. Featuring a powerful 54V tube circuit, audiophile-grade ELNA capacitors, and versatile connectivity options, it delivers rich, detailed sound for headphones ranging from 16Ω to 300Ω. Perfect for millennial professionals seeking a stylish, high-fidelity audio upgrade that blends retro charm with modern convenience.

Specifications

ASIN	B0CJBKWF43
Best Sellers Rank	#37,277 in Electronics ( See Top 100 in Electronics ) #4 in Pre-Amplifiers
Brand Name	Fosi Audio
Country of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (553)
Importer Contact Information	[email protected]
Item Dimensions	11 x 16 x 4 Centimeters
Item Type Name	preamplifier
Item Weight	500 Grams
Manufacturer	Fosi Audio
Maximum Supply Voltage	12 Volts
Minimum Supply Voltage	54 Volts
Model Number	P3
Mounting Type	Surface Mount
Number of Channels	2
Number of Items	1
Number of Packs	1
Packer Contact Information	[email protected]
Part Number	P3
Unit Count	1 Count
Voltage	230 Volts

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