3 power modes: AC plug, rechargeable battery and 12-volt DC; Music player with SD(TM) Card and USB inputs; Bluetooth(R) connectivity; 5 band graphic equalizer; 15 in. subwoofer and titanium dome tweeter with 2,250 watt power; Weight: 37 lbs.; Dimensions: 26 1/2 in. H x 13.5 in. W x 18 in. D; Power supply: 12-volt DC, 110-volt to 240-volt AC power connection and 50 Hz/60 Hz; Includes wireless remote and 2 integrated dual wireless VHF microphones;