Yorkville Sound EXM mobile tower, battery powered PA system comes with microphone iwth 25FT cord included or can be upgraded to wireless microphone. It is battery powered or can be plugged in (120V). Includes carrying bag. Four 3-inch mid-range drivers; Dedicated high-frequency driver; 10-inch subwoofer base; 3-channel mixer; Up to 10 hours of battery life; Live and Club performance modes; Stereo Bluetooth streaming; Specifications