The Fosi Audio MC351 is a compact 2.1-channel integrated amplifier that combines a DAC, Bluetooth receiver and Class-D power stage in one aluminum chassis. Two Texas Instruments TPA3255 chips drive up to 165W per channel plus 350W to a subwoofer, and it accepts Bluetooth, USB, optical and coaxial digital sources alongside analog inputs. A round analog VU meter and bass/treble controls with center detents give it a retro look and simple tone shaping. It suits desktop and small-room listeners who want one box to power bookshelf speakers and a sub without a receiver.
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Owners rate the MC351 highly, praising its clean power, compact metal build and the VU meter's retro appeal. Complaints center on the lack of a phono input and on power figures that look bigger than real-world output.
The Fosi Audio MC351 is a 2.1 channel integrated amplifier with a built-in DAC. It accepts Bluetooth, USB, Optical and Coaxial digital inputs, and can be used to set up a 2.1 home theater or a stereo HiFi system.
It uses two Texas Instruments TPA3255 Class-D amplifier chips and a 100-fin heatsink. In a 2.1 channel setup it outputs up to 165W x 2 + 350W. A dual PCBA separated design keeps the input and output signals from interfering with each other.
Controls include one-touch switching between 5 input modes, plus bass and treble knobs with central detents for tone defeat. The amp enters standby after 2 minutes with no signal. A round mini VU meter on the front has a needle that moves with the music. The body is all-aluminum alloy, CNC-made with a sandblasted metal finish and no visible screws.
