The Gemini Sound As-2115BT is a portable active Pa speaker for events, performers, DJs, services and public-address setups. It combines a 15-inch woofer, titanium high-frequency driver, Bluetooth streaming with Tws Link, Usb/Sd media playback and Fm radio. Two channels with Xlr and 1/4-inch line/mic inputs, Rca and 1/8-inch aux inputs, an Xlr mix output and bass/treble controls give it the flexibility to handle music, microphones and instruments in a rugged Abs cabinet.