Fosi Audio V3 Stereo Amplifier

About The Fosi Audio V3 Stereo Amplifier

The Fosi Audio V3 Stereo Amplifier packs serious performance into a compact, minimalist design, making it one of the brand’s most impressive offerings to date. Delivering up to 300 Watts per channel with the precision of Texas Instruments’ TPA3255 chip, it combines audiophile-grade components with a ground breaking whole-body heatsink design for cool, stable operation even under heavy use. With smooth, linear volume control, exceptional clarity, and the versatility to drive a wide range of passive speakers, the V3 offers a high-fidelity listening experience that feels effortlessly powerful and refreshingly refined.

300 Watts x 2 Power Output

Fosi Audio’s V3 is a mini Hi-Fi class-D amplifier that delivers a maximum power output of 600W into two channels, ensuring a powerful and high-fidelity audio experience.

Innovative Cooling System Design

Fosi Audio has made significant breakthroughs in the thermal design of the V3 amplifier. There are vents on the top and bottom of the case, and the chip heatsink is attached to the case to realize the whole-body heatsink design, enhancing air circulation and heat dissipation. Its special design allows for extended usage without compromising performance or causing any detrimental effects.

Hi-End Sound Quality

With Texas Instruments' TPA3255 Class-D amplifier chip, the V3 amplifier achieves exceptional power efficiency. With audiophile-grade materials, such as Sumida professional audio inductors, NCC high-capacity filter capacitors, German WIMA Output Capacitors, Japanese ELNA Capacitors, etc. Those high-quality components allow V3 to maintain very high stability even under high-power working conditions. With the V3, you can truly have an almost distortion-free music playback experience.

Logarithmic Volume Control

With a built-in logarithmic Taper A Potentiometer, the V3 amplifier is specifically crafted to meet the demands of audiophiles and manages the audio volume in a much finer way suitable for the human ear, providing an immersive and pure sound enjoyment.

Compact and Versatile

Despite its compact size, the V3 amplifier has the capability to drive even difficult to drive speakers effectively, making it a versatile choice for creating a complete Hi-Fi system.

Our Review

The Fosi Audio V3 Stereo Amplifier proves that big sound doesn’t need a big box. Sleek and compact, it delivers a mighty 300 Watts per channel thanks to the precision of Texas Instruments’ TPA3255 chip, paired with premium components like Sumida inductors and German WIMA capacitors for pure, distortion-free playback. Its ingenious whole-body heatsink design, complete with top and bottom vents, keeps things running cool and stable even when you’re pushing it hard. With smooth, finely tuned logarithmic volume control and the muscle to drive even demanding speakers, the V3 offers an effortlessly powerful, high-fidelity listening experience wrapped in a minimalist package that’s as refined as it is capable.

Main Features & Specifications

• Design: Compact High Performance Stereo Amplifier
• Output Power: 2 x 300 Watts @ 4Ω
• Terminating Impedance: 2-8Ω
• Input Mode: RCA
• Output Modes: Speaker Output (supports banana plug or bare wire connection), Preamp Output
• Frequency Range: 20Hz-20kHz (±0.1dB)
• (THD) Total Harmonic Distortion: ≤0.003%
• (SNR) Signal to Noise Ratio: ≥110dB
• (SINAD) Signal to Noise and Distortion: 88dB
• Chip Set: Texas Instruments TPA3255 Amp Chip
• Power Supply: 48V 5A
• DC Input Range: 24-48V
• Included Accessories: 48V/5A Power Adaptor, User Manual
• Dimension (WxHxD): 104 x 36 x 165mm
• Weight: 0.7 kg
• Manufacturer's Warranty: 2 Years

Note: Features & Specifications Subject To Change Without Notice. E&OE.