Can be connected to power Amplifier and used as a mixer
The ZK-MT21 is a 2.1 channel Bluetooth 5.0 audio amplifier board with a maximum output of \(50\text{W} \times
ZK-MT21 Bluetooth Amplifier Board, 2.1 Channel 50W*2+100W, 12V ...
Product description Specification: Item Type: Bluetooth Power Amplifier Board Material: PCB Radiator Size: Approx. 36x25x10mm / 1.42x0. 98x0. 39in