Configuration: Vented subwoofer Freq Response(-10dB): 50-4 KHz Sensitivity (1W@1m): 96dB Nominal Impedance: 8 ohms Rated power: 250 Watts Max. Power: 500 Watts dispersion(HXV): / Crossover Freq: 80-200Hz Low Frequency: 12" SUBWoofer Input Connector: 1 X Speakon (4P) Output Connector: 1 X Speakon (4P) Dimension(WxDxH): 390 X 375 X 425 mm