Frequency response: 35 - 25000 Hz Nominal impedance: 4 ohm Efficiency: 91 dB/W/M (2.83 V) Power handling capacity: 100 watts peak power: 200 watts Recommended power: 40 to 250 watts Dimensions: H 45.2’’, D 11.8’’, W 7.9’’ Finish: Black mat lacquer, pearly ivory soft touch, pearly anthracite grey soft touch, black soft touch, white high gloss or soft touch Weight: 32 Kg 70.4 lbs