Nobsound Mini 2.1 Channel Bluetooth 5.0 Digital Amplifier Board TPA3116 Stereo Subwoofer Amp Module

Features: [Multiple audio inputs]: with Bluetooth/3.5mm AUX/U-disk  inputs, almost compatible with all home audio device such as phone, tablet, computer, CD player etc., also comvenient for you to DIY. [Bluetooth 5.1 & Classic TPA3116 chip]: supporting Bluetooth 5.1 to realize stable & high-speed transmission speed. 2PCS TPA3116D2 chip, one for bass channel and one for left and right channel amplification. Max output power can reach 50W*2(L/R) and 100W(subwoofer), easily to drive most home desktop / bookshelf / indoor passive speakers. [Powerful design & wide voltage]: with preamplification and bass frequency division processing, 5PCS potentiometer are used for bass volume/bass frequency/left & right channel volume/main volume & input switch. DC 12-24V voltage, can be powered by switching power supply or storage battery, for enjoying high-quality music on the road or outdoors. [Perfect circuit & HiFi clear sound]: concise layout and reasonable wirin