Powerful dual channel amplifier built with the TPA3116D2 chip, delivering 50W50W output for clear, dynamic sound. Power and reliability Requires a 12V/5A DC power supply for optimum performance and strong, clean amplification. Bluetooth 5.0 and convenient control Latest Bluetooth 5.0 technology for efficient wireless transmission and stable connections. Integrated potentiometer for easy and precise volume adjustment. Flexible input and output options Switch easily between Bluetooth, AUX, and USB modes to match your source device. Designed to work with a range of devices and setups without hassle. bass and audio performance Subwoofer output with a frequency range of 20 Hz to 200 Hz to enhance bass and overall audio depth. Ideal for watching movies, listening to music, or gaming with richer lowend response. Use scenarios Home audio upgrade: pair a phone, tablet, or laptop via Bluetooth for wireless playback, while driving bookshelf or compact speakers with strong left/right channels. Desktop or gaming setup: connect via USB or AUX for lowlatency audio from a PC or game console, with easy Bluetooth streaming as an additional option. Small room home theater: improve movie and TV sound with robust bass and clear dialogue, without needing large external subwoofers. This amplifier board combines power, flexibility, and straightforward operation in a compact package, suitable for DIY audio projects, speaker upgrades, and versatile multimedia applications.