Specs Frequency Response : 50Hz – 18kHz (+/-2dB) , 35Hz – 20kHz (–6dB) Sensitivity : 92dB at 2.83 volts/1 meter Recommended Maximum Amplifier Power : 250 watts Impedance : 8 ohms nominal Crossover Frequency : 1600Hz Dimensions (HxWxD) : 965 x 318 x 413 mm Weight : 34 kg