Configuration: passive speaker system Freq Response(-10dB): 31-2KHz Sensitivity (1W@1m): 100dB Nominal Impedance: 8 ohms Rated power: 800 Watts Max. Power: 1600 Watts dispersion(HXV): / Crossover Freq: 80-125Hz Low Frequency: 18" Woofer High Frequency: / Input Connector: 1 X Speakon (4P) Output Connector: 1 X Speakon (4P) Dimension(WxDxH): 600 X 590 X 1130mm