Output power: 30w+30w Drive unit: 8''x2+3''x2 Frequency response: 20HZ-18KHAZ OHM: 4 Power supply: AC 220V-240V 50/60HZ 8'' subwoofer speaker box, audio equipment ,professioanl stage speaker ,loudspeaker sound box,with led light ,usb/sd card ,fm,equalizer ,clear sound ,competitive price 2.0 active professional multimedia home stero speaker