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: 576801869

Details

Brand
Fosi Audio
Item dimensions L x W x H
4.33 x 6.3 x
Manufacturer
Fosi Audio
Number of Channels
2
Voltage
230 Volts

📶Bluetooth 5.1 aptX HD/LL

🔊54V True Tube Amplification

🎚️Bass & Treble Tone Controls

€ 193.85

Duties & taxes included

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

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

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.

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.

Specifications

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

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