EMB PKL5500 2000W 2x15" PA Rechargeable Speaker System Built-in Bluetooth/SD/MMC/USB/Guitar Jack 2x 15" PA speaker sytem | Max power: 2000W | Sensitivity: 97dB^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