Configuration: 3-Way full range Vented loudspeaker system Freq Response(-10dB): 38-20 KHz Sensitivity (1W@1m): 100dB Nominal Impedance: 8 ohms Rated power: 500 Watts Max. Power: 900 Watts dispersion(HXV): 90°X60° Crossover Freq: 2.5 KHz Low Frequency: 15" X2 Woofer High Frequency: 1.75" titanium diaphragm compression driver Input Connector: 1 X Speakon (4P) Output Connector: 1 X Speakon (4P) Dimension(WxDxH): 460 X 460 X 1205mm