Fosi Audio V3

2-Channel Stereo Power Amplifier

From audiophiles, and for audiophiles

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Why Fosi Audio V3?

TI TPA3255 Amp
THD
SNR
Swappable Op-Amps
Japanese ELNA Capacitors
German WIMA Capacitors
Japanese Sumida Inductors
Japanese NCC Filter Capacitors
Vents on Top
Vents on Bottom
Groundbreaking Heat Dissipation
TI TPA3255 Amp
THD
SNR
Swappable Op-Amps
Japanese ELNA Capacitors
German WIMA Capacitors
Japanese Sumida Inductors
Japanese NCC Filter Cpacitors
Vents on Top
Vents on Bottom
Groundbreaking Heat Dissipation
TI TPA3255 Amp
THD
SNR
Swappable Op-Amps
Sumida Inductors
German WIMA Capacitors
Japanese Sumida Inductors
Japanese NCC Filter Capacitors
Groundbreaking Heat Dissipation
Vents on Top
Vents on Bottom

Purify the Essence

Using a minimalist design language, focusing more on enhancing the sound quality and performance of the product, making it the best-sounding power amplifier of Fosi Audio to date.

Built-in TI TPA3255 Amp

Enabling superior audio quality and ultra-low distortion across the audio band with Class-D efficiency

≥ 110dB

SNR

< 0.003%

THD+N

≥ 110dB

Dynamic Range

Quality Components Integrated

Full of what audiophiles could want inside

Japanese NCC
Capacitors 63V/2200uF

Japanese Sumida
Audio Inductors

German WIMA
Capacitors

Japanese ELNA
Capacitors

Groundbreaking Heat Dissipation

Vents on the top and bottom, and whole-body heatsink design enhance air circulation and heat dissipation

Vents
on Top

Heatsink Attached
to Casing

Vents
on Bottom

Swappable Op-Amps

Roll the op-amps to get your preferred sound signature.

Energy Saving Circuit

Specialized REAL-OFF technology ensures the cleanest shutdown.

Logarithmic Taper A Pot

Manage the volume of sound in a much finer way suitable for human ear.

Product Details

Max Power Output: 300Wx2 @4Ω

SINAD: ≥88dB

SNR: ≥110dB

Terminating Impedance: 2-8Ω

THD: <0.003%

Power Amp: TI TPA3255

Op-Amp: TI NE5532 x2

Power Supply: 32V/5A, 48V/5A

Power Input Range: DC 24V-48V

Frequency Response Range: 
20Hz-20kHz(±0.1dB)

Input: RCA
Output: Speaker Output/3.5mm Pre-out

User Manual:                 Download

1. V3 ×1
2. User Manual × 1
3. 32V/5A or 48V/5A Power Supply × 1