... Response:48Hz-20KHz KTV Karaoker speaker, karaoker system, professional speaker, PA speaker, loudspeaker.subwoofer speaker, Hifi speaker, speaker box, home theatre speaker, sound box, Features :1 ... .......................80Hz-20KHzSensitivity(1W/1M)..............89dBMax. SPL.................................113dBDimensions HWD(mm).........270×450×238Shipping HWD(mm)..............530×670×350 (0.12CBM/ ...