AmpliVox SW800-03 Public Address System - 100 W Amplifier - Wireless, Cable Microphone - AC Supply, AC Supply - Built-in Amplifier - 2 x Speakers - 2 x Microphones - 10000 Sq. ft. Audible Range - Bluetooth - 1 Audio Line In - 1 Audio Line Out - Battery Rechargeable - 10 Hour - Portable: