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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Fosi Audio P3 Bluetooth Tube Preamp, Headphone Amplifier for Home Audio

Product ID: 576801869

Details

Item dimensions L x W x H
4.33 x 6.3 x
Manufacturer
Shenzhen Co.
Maximum Supply Voltage
12
Minimum Supply Voltage
12
Voltage
230 volts

📶Bluetooth 5.1 aptX LL/HD

🔊54V True Tube Amplification

🎚️Bass & Treble Tone Controls

668.24 DT

Duties & taxes included

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

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

VERSATILE AUDIO HUB - Connect RCA, AUX, and 3.5mm outputs to build your perfect 2.1 HiFi stereo or headphone setup.
PRECISION TONE SHAPING - Fine-tune your sound with premium ELNA capacitors and tactile bass & treble controls featuring central detents.
WARM ANALOG TUBE SOUND - Experience rich, full-bodied audio with 54V tube preamp power that elevates every note.
AUDIOPHILE GRADE CLARITY - High SNR (103dB) and low crosstalk (95dB) deliver pristine sound fidelity for discerning listeners.
SEAMLESS WIRELESS STREAMING - Bluetooth 5.1 with Qualcomm QCC3031 chip ensures crystal-clear, low-latency aptX HD & LL connectivity.

The Fosi Audio P3 is a compact tube preamplifier and headphone amplifier combining classic vacuum tube warmth with cutting-edge Bluetooth 5.1 aptX HD/LL wireless technology. It delivers 54V true tube amplification for rich, detailed sound, supports versatile inputs/outputs including RCA and AUX, and features premium audiophile components for precise bass and treble control. Ideal for HiFi stereo setups and headphones from 16Ω to 300Ω, it offers a seamless blend of vintage analog charm and modern connectivity in a sleek, freestanding design.

Specifications

Asin	B0CJBKWF43
Best Sellers Rank	#27,982 in Electronics (See Top 100 in Electronics) #19 in Audio Component Preamplifiers
Brand Name	Fosi Audio
Customer Reviews	4.5 4.5 out of 5 stars (574) 4.5 out of 5 stars
Included Components	Fosi Audio P3 Preamplifier x1
Item Dimensions	4.33 x 6.3 x 1.57 inches
Item Highlight	Vacuum Tube Preamplifier with aptX HD/LL, Bass/Treble Tone Controls, RCA/AUX Connections for HiFi Stereo Active Speakers
Item Weight	500 g
Manufacturer	Shenzhen Foresight Technology Co., Ltd.
Maximum Output Power	250mw
Maximum Supply Voltage	12 volts_of_direct_current
Minimum Supply Voltage	12 volts_of_direct_current
Model	P3
Mounting Type	Freestanding
Number Of Channels	2
Number Of Items	1
Part Number	P3
Unit Count	1 Count
Voltage	230 volts
Warranty Description	24 Month Manufacturer

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