Treble and Bass Control TPA3251 Power Amplifier Board Multiple Input 2.1 Channel Amplifier Module USB Playback 2.1 Channel Amp Board Protection Circui

This 2.1 channel amplifier module is built around a TPA3251 audio amplifier, designed for compact speaker systems. It supports Bluetooth wireless playback, AUX, USB drive, and USB sound card input. It offers separate treble and bass adjustment, along with left-right channel tuning. It includes a protection circuit, large-capacity energy storage capacitors, high-power inductors, and a cooling fan for stable operation. It has a dedicated subwoofer output for a full speaker system.