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Fosi Audio P3 Tube Preamp Headphone AmplifierFosiAudioDirect

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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

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5 ratings

$119.99

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Purchase options and add-ons

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

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This item: 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

$119.99

Get it by Friday, Aug 1

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Sold by FosiAudioDirect and ships from �鶹�� Fulfillment.

Matched Pair 7-Pin GE JAN 5654W Vacuum Tubes Upgrade for 6AK5/6J1/6Ж1/ EF95/6J1P

$29.99

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Riverstone Audio - Tested/Matched Pair (2 Tubes) 7-Pin JAN 5654W Fully-Tested Vacuum Tubes - Upgrade for 6AK5 / 6J1 / 6J1P / EF95 - JAN 5654W Platinum Grade Pair

$60.00��($30.00/count)

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Technical Details

Brand	‎Fosi Audio
Manufacturer	‎Shenzhen Foresight Technology Co., Ltd.
Place of Business	‎3rd Floor, Building 10, Aohua Industrial Zone, Gaofeng Community, Dalang Street, Longhua District, Shenzhen
Model	‎P3
Mounting Hardware	‎Fosi Audio P3 Tube Preamplifier x1, User Manual x1, 5654W Vacuum Tube x2, 12V/1.5A Power Supply x1
Number of Items	‎1
Batteries Required	‎No
Manufacturer	‎Shenzhen Foresight Technology Co., Ltd.
Item model number	‎P3
Product Dimensions	‎16 x 10.67 x 3.81 cm; 800 g
ASIN	‎B0DR1QCGH1

Additional Information

Date First Available	Dec 20 2024
Customer Reviews	5 ratings 3.8 out of 5 stars
�鶹�� Rank	#49,185 in Electronics (See Top 100 in Electronics) #33 in Audio Component Preamplifiers

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	This Item 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	Recommendations 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	�� Fosi Audio Box X5 Phono Preamp for Turntable, Mini Preamplifier Home Audio for MM & MC Cartridge Turntable/Phonograph Record Player/Active Speakers, 4-Level Adjustable Gain 38/48/56/66 dB with RCA	�� Fosi Audio V3 Stereo Amplifier Home Audio 300 Watts x2 Power TPA3255 Class D Mini Amp 2 Channel Audio Component for Passive Bookshelf Tower Speakers Desktop Home Theater with 32V Power Supply
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Price	$119.99	-20%��$95.99 Was: $119.99	-5%��$151.99 Was: $159.99	-10%��$116.99 Was: $129.99
Delivery	Get it by Friday, Aug 1	Get it by Saturday, Aug 2	Get it by Friday, Aug 1	Get it by Friday, Aug 1
Customer ratings	3.85	4.14	4.2100	4.41,118
Sold by	FosiAudioDirect	Fosi Audio	Fosi Audio	Fosi Audio

From the brand

Amplifying Your Voice, Shaping Our Innovation

Guided by our mission of "Redefining HiFi with Unmatched Value", Fosi Audio continues to fuel its passion for the Hifi industry, ramp up R&D efforts, and co-create new HiFi equipment with users. We pledge to bring more amazing Hifi gear with high value for the price, innovative design, cutting-edge technology, and premium quality, to audiophiles worldwide.
Preamplifier & Phono Preamp
Preamplifier & Headphone Amp

Product Description

Authentic Tube Amplification

Fosi Audio P3 Tube Preamplifier/Headphone Amp

Experience the unique charm from vacuum tubes.

video

Merchant video

Embark on a Warm & Rich Musical Journey

The essence of tube amplification, experiencing the perfect harmony of technology and nature.

RMS Power: 250mw @16Ω; 150mw @32Ω; 32mw @250Ω; 20mW @300Ω
Headphone Impedance: 16-300Ω; SNR: ≥103dB; THD: ≤ 0.02%
Input: Bluetooth 5.1/RCA; Output: RCA/AUX/3.5mm headphone jack
Dynamic Range: 104dB; Frequency Response: 20Hz-20kHz(±1dB)

Audiophile-Grade Capacitors

Built-in quality Japanese ELNA caps for outstanding performance.
Qualcomm aptX Bluetooth QCC3031 Chip

Supports multiple codecs formats: SBC/AAC/aptX/aptX HD/aptX LL.
Logarithmic Potentiometer

Helps to achieve a fine volume tuning to match human ear's auditory characteristics.

Effortless Insertion & Removal

Suitable for 7-pin vacuum tubes. Please align each pinhole before installation.
DIY Your Stereo System

Applicable Vacuum Tube Model: 6K4/6J1/6J4/GE5654/6AK5, etc. vacuum tubes.
5654W Vacuum Tubes

Experience the unique charm from vacuum tubes.
The Synthesis of Tech and Nature

Embracing technology, staying close to nature, and maintaining global climate awareness.
Exquisite Craftsmanship

Utilizing CNC integrated molding, precise sandblasting, and meticulous detailing.

Key Parameters

Signal-to-Noise Ratio≥103dB
Noise Floor: 64uV
Crosstalk: 95dB

Mode Indicator

RCA mode: steady red light
Bluetooth pairing mode: blue light flashing
Bluetooth connection built: steady blue light

Bluetooth Connectivity

Bluetooth Range: ≥10m
Bluetooth Version: 5.1
Bluetooth Name: Fosi Audio P3

Bluetooth Reset

Press and hold for 3 seconds to clear Bluetooth pairing to solve the problem of Bluetooth being mistakenly connected by others.

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.
Can the op-amps in P3 be replaced?

No, they cannot be replaced.
P3 power supply compatibility

P3 is compatible with DC 12V/1.5A~3A power supply.
Does P3 support LDAC?

No, it does not support LDAC.

Customer reviews

5 global ratings

5 star
43%
4 star
37%
3 star
0%
2 star
0%
1 star
20%

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Jacq. Roy
Just great
Reviewed in Canada on June 1, 2025
Verified Purchase

Outstanding for the Price.

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The Pug
Cant go wrong for the price.
Reviewed in Canada on March 17, 2025
Verified Purchase
Works as a pre amp should. I use it with my vintage pioneer. Whether it actually gives a a tube experience is open for debate, however there is an audible nuance of warmth when the volume and tone settings are properly dialed for your music and amplifier.

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snapshooter
Spontaneously died
Reviewed in Canada on April 1, 2025
Very good, until it died after three weeks of occasion use.

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One person found this helpful

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Average Canadian Shopper
Versatile and useful
Reviewed in Canada on April 17, 2025
�鶹�� Vine Customer Review of Free Product( What's this? )
This is a good quality preamp. Small one but powerful enough to run most headphone setup.You can also club it with amplifier to use it as a full receiver. This works fine for a quick setup and has enough ports to handle all kind of devices.

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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

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From the brand

Preamplifier & Phono Preamp

Preamplifier & Headphone Amp

Product Description

Authentic Tube Amplification

Fosi Audio P3 Tube Preamplifier/Headphone Amp

video

Embark on a Warm & Rich Musical Journey

Audiophile-Grade Capacitors

Qualcomm aptX Bluetooth QCC3031 Chip

Logarithmic Potentiometer

Effortless Insertion & Removal

DIY Your Stereo System

5654W Vacuum Tubes

The Synthesis of Tech and Nature

Exquisite Craftsmanship

Key Parameters

Mode Indicator

Bluetooth Connectivity

Bluetooth Reset

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

How to reset P3 Bluetooth？

Can the op-amps in P3 be replaced?

P3 power supply compatibility

Does P3 support LDAC?

Customer reviews

Review this product

Images in this review

Top reviews from Canada

There was a problem filtering reviews. Please reload the page.

5.0 out of 5 stars Just great

4.0 out of 5 stars Cant go wrong for the price.

1.0 out of 5 stars Spontaneously died

4.0 out of 5 stars Versatile and useful

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�鶹�� Renewed

Just great

Cant go wrong for the price.

Spontaneously died

Versatile and useful