How to change audio balance levels between the left and right audio channels?

1. Computer: Settings > Sound > Fosi Audio, and change the left and

Do I need a pair of the same opamps or can they be swapped in different combinations?

If your OP-AMP is pin-to-pin (P2P), meaning the pins and functions of the two OP-AMPs are exactly the same, so you can directly install one model at a time. However, there might be a difference in sound quality or sound volume on one side.

What is a difference between two versions of V3 amp - 32v and 48v?

Compared to a 32V power supply, a 48V power supply can enhance the amplifier's power output, providing more headroom to prevent distortion and enabling it to drive larger, more powerful, or higher-impedance speakers.

Can the V3 amplifier be bridged to work as a monoblock amplifier?

It doesn't support bridge mode.

Only one channel has a sound or unbalanced output?

Cross-check left & right speakers, speaker wires, input cable eliminating either speaker

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🎶 Elevate your sound game — don’t just listen, experience every note!

SLEEK COMPACT - Modern minimalist design fits effortlessly into any home or office setup without sacrificing style.
CUSTOMIZABLE SOUND - Upgrade your audio with interchangeable op-amps like Sparkos SS3602 or MUSES02 for personalized HiFi perfection.
NEXT LEVEL COOLING - Stay cool under pressure with cutting-edge heat dissipation for marathon listening sessions.
POWERFUL 300 W OUTPUT - Unleash immersive, room-filling sound with crystal clarity.
VERSATILE AUDIO MASTERY - Perfect for home theaters, bookshelf speakers, or your workspace—premium sound wherever you need it.

The Fosi Audio V3 is a 300W Class D stereo power amplifier featuring the high-performance TPA3255 chip, advanced heat dissipation, and a robust 48V 5A power supply. Its compact, sleek design complements any space while delivering customizable, crystal-clear HiFi sound ideal for home theaters and bookshelf speakers. Engineered for durability and versatility, it offers audiophiles and professionals a premium listening experience with upgradeable op-amps and stable long-term operation.

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Manufacturer	Fosi Audio
Part number	V3-48V
Item Weight	300 g
Package Dimensions	29.4 x 24.4 x 7.1 cm; 300 g
Item model number	48V/5A
Colour	BLACK
Voltage	48 Volts
Plug profile	Surface Mount
Included components	Power Supply
Batteries included?	No
Batteries Required?	No

Fosi Audio V3 300W Class D Stereo Power Amplifier, TPA3255 Chip HiFi Audio Amplifier for Home Theater and Bookshelf Speakers, Compact Design with Advanced Heat Dissipation with 48V5A Power SupplyClimatePartner certified

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