Configuration: 3-Way full range Vented loudspeaker system Freq Response(-10dB): 35-18KHz Sensitivity (1W@1m): 100dB Nominal Impedance: 8 ohms Rated power: 500 Watts Max. Power: 1000 Watts dispersion(HXV): 90°X40° Crossover Freq: 2.5KHz Low Frequency: 18" Woofer High Frequency: 2 tweeter Input Connector: 1 X Speakon (4P) Output Connector: 1 X Speakon (4P) Dimension(WxDxH): 520 X 390 X 750mm Weight: 28kg