EMB PKL6000 2000W 2x12 PA Rechargeable Trolley Speaker System 2x 12" PA speaker sytem | Max power: 2000W | Sensitivity: 97dB | 7 Hours Battery Frequency Range: 40Hz-20kHz | Built-in Bluetooth - USB/MP3 Player - VHF Microphone Treble and Bass Control | Mic. Echo & Volume Control | Music Volume Control Microphone Line Input Built-in Rechargeable Battery | Installed Handle and Wheels for Easy Carry | Power Source: AC 120V / 240 V