Rated Impedance: 8 ohm Peak Power: 300 watts Max Power: 100 watts RMS Power: 50 watts Sensitivity: 90 dB Frequency Range: 80-20000 Hz Crossover Freq: 3 Khz Low Frequency: 2x4”woofer High Frequency: 25mm tweeter Diameter(HxWxD): 127 X 364 X 251mm/inch Weight: 3.0 kgs Color: Black / white Speaker Nominal Diameter: 100/4 mm/inch Voice Coil Diameter: 25.5/1 mm/inch