Bluetooth input; USB/TF 100W 10 inch bass +25 core horn treble; 12V7A battery; external 12V power supply built-in switching power supply board wireless hand microphone two (can be equipped with dual wireless microphone) built-in 9 kinds of entertainment atmosphere sound effect microphone support voice change and defense Howling two-way professional instrument input interface all the way wired microphone input interface high and low sound independent adjustment microphone volume reverb independent adjustment 3.5 line input