EMB PKL5000 1800W 2x10" PA Rechargeable Speaker System Built-in Bluetooth/SD/MMC/USB/Guitar Jack 2x 10" PA speaker system | Max power: 1800W | 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