- Power 1500 WATT - Maximal Power 3000 WATT - Nominal Diameter 475 MM - Rated Impedance 8OHM - Sensitivity (1w/1m) 97dB - Frequency Range 35-2000 Hz - Voice Coil Diameter 125 MM - Magnet Diameter 280 MM - Resonance Frequency Fs 38 Hz - Total Factor Qts 0.4 - Effective Moving Mass Mms 311 GR - Equivalent Cas air load Vas 117 Liters - Waterproof Fibre Cone - Nett Weight 17.07 KG - Gross Weight 18.55 KG - Packing Size 48.5*48.5*24 CM