Configuration: 3-Way full range Vented loudspeaker system Freq Response(-10dB): 40-18KHz Sensitivity (1W@1m): 102dB Nominal Impedance: 8 ohms Rated power: 250 Watts Max. Power: 500 Watts dispersion(HXV): 90°X40° Crossover Freq: 2.5KHz Low Frequency: 15" Woofer High Frequency: 4 tweeter Input Connector: 1 X Speakon (4P) Output Connector: 1 X Speakon (4P) Dimension(WxDxH): 510 X 360 X 750mm Weight: 22kg