Configuration: 3-Way full range Vented loudspeaker system Freq Response(-10dB): 45-18KHz Sensitivity (1W@1m): 99dB Nominal Impedance: 8 ohms Rated power: 175 Watts Max. Power: 350 Watts dispersion(HXV): 90°X40° Crossover Freq: 2.5KHz Low Frequency: 12" Woofer High Frequency: 3 tweeter Input Connector: 1 X Speakon (4P) Output Connector: 1 X Speakon (4P) Dimension(WxDxH): 440 X 350 X 645mm Weight: 18kg