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.
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
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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