The Fosi Audio BL20C is a robust 2.1-channel amplifier delivering 160W per channel through the acclaimed TDA7498E chipset, engineered for pristine audio reproduction with minimal distortion (0.05% THD). Bluetooth 5.0 connectivity pairs seamlessly with multiple input options—USB, RCA, and U-disk support up to 32GB—accommodating diverse audio sources and formats including MP3, FLAC, WAV, and APE. Intuitive controls enable track navigation and independent bass/treble adjustment for personalized sound shaping. The robust 24V/4.5A power supply efficiently drives passive speakers and powered subwoofers alike, while the 98dB signal-to-noise ratio ensures clarity across all listening levels. Compatible with smartphones, tablets, computers, and home entertainment systems, this compact amplifier combines professional-grade performance with user-friendly operation.