Power Rating: 80W; Peak Power: 120W Response Frequency: 40~20KHz Impedance Load: 4O Sensitivity: 90dB Single 12inch dual voice coil bass 120 magnetism Single treble; Fashion Modeling With USB/SD function, supporting flash drive to play music directly With Bluetooth function With electric guitar function AC/DC are available Built-in 12V/7Ah storage battery With microphone input function With handheld wireless microphone 2pcs