This Bluetooth 5.2 audio amplifier board is a powerful and versatile piece of equipment. With 50Wx2 power output, it is perfect for digital amplifier needs. The board features tone controls and audio inputs including AUX and USB. Its two channels make it ideal for home audio use. The model number of this board is ZK-502MT and it falls within the categories of Consumer Electronics, TV, Video & Home Audio, Home Audio, Receivers & Amplifiers, and Amplifiers & Preamps. Whether you're looking to upgrade your current audio setup or start a new one, this amplifier board is an excellent choice.