TPA3116 2.1 Digital Subwoofer Audio Amplifier Board

This is a perfect sub-woofer amplifier for your own project.  This amplifier board adopts two imported TPA3116 digital amplifier chip as the core, one piece as left and the right channel power amplifier, other piece as pre-bridge driver with NE5532 sub-woofer, with a small, high efficiency, high power.