Fosi Audio V3 Stereo Amplifier – 2-Channel Class D, Up to 600W Total, 32V Power Supply

Powerful, compact amplification for modern audio setups

The Fosi Audio V3 stereo amplifier blends a minimal footprint with serious driving power. Designed to handle 2–8 Ω speakers, it can deliver up to 600W total, making it a flexible choice for compact bookshelves, desktop systems, or small home theaters.

Audiophile-grade design for clarity

Inside, the V3 uses the TPA3255 high-end digital Class D amp chip and pairs premium components from trusted brands. Expect clean, detailed sound with a wide dynamic range thanks to premium Japanese NCC, ELNA, and German WIMA capacitors, plus Sumida inductors.

• SINAD up to 88 dB
• SNR up to 110 dB
• Low noise floor around 140 μV

Smart cooling for reliable performance

A standout feature is its innovative cooling design. Vents on the top and bottom combined with a full-body heatsink promote efficient heat dissipation, helping maintain performance during longer listening sessions without overheating.

Sound customization and flexibility

Want to tailor the tone? The V3 invites op-amp customization. It ships with a stock NE5532 and is compatible with a range of 8-pin dual op-amps, including Sparkos SS3602, MUSES02, OPA2604, OPA2134, and more. Proper orientation is essential when swapping.

• Tailor warmth, brightness, and dynamics to your room
• Broad op-amp compatibility for DIY enthusiasts

Flexible pre-out and easy integration

The optimized Pre-out design keeps volume control at the heart of the experience, offering extra flexibility when connecting external amps, powered subs, or additional gear to your home audio setup.

In real-life setups, the V3 shines on a desktop alongside compact bookshelf speakers, or integrated into a small living room system where space is premium. Its sturdy build and efficient cooling help sustain performance through movie nights or music sessions.