Max Power : 4 x 1000 w, Subwoofer (2.1ch) RMS power: 4 x 500 w, Subwoofer (2.1ch) Component: 15″ / 18″ subwoofer, Satelite Power : 2 x 230 (12″) / 2 x 280 (15″) w, Satelite Component: 12″/15″ woofer & 3.2 titanium driver, System freq. resp: 30Hz~20KHz+/- 3 dB, Subwoofer freq. resp: 30Hz~100Hz+/- 3dB, Satelite freq. resp: 100Hz~20KHz +/- 3dB