The Fosi Audio MC351 integrates a high-resolution DAC with dual Texas Instruments TPA3255 amplifier chips, delivering 165W per channel plus 350W subwoofer output in a unified 2.1 system. Multi-format connectivity spans Bluetooth, USB, Optical, and Coaxial inputs, accommodating modern digital sources and analog components alike. The dual-PCB architecture isolates signal paths to eliminate crosstalk and preserve sonic integrity. Independent bass and treble controls with center detents enable precise tonal shaping, while five input modes simplify source switching. An animated analog VU meter provides real-time visual feedback, complementing the amplifier's vintage-inspired aesthetic. The precision-machined aluminum chassis with seamless construction and sandblasted finish reflects meticulous engineering. Automatic standby after two minutes of silence reduces power consumption without sacrificing responsiveness—an ideal foundation for discerning listeners combining vinyl, streaming, and digital playback.