Configuration：2-way Activespeaker systemFreq Response(-10dB): 65-20KHz KHz Sensitivity (1W@1m): 96dBNominal Impedance: 4 ohms Amplifier: LF 100 WattsHF 25 Wattsdispersion(HXV): 90°X45°  Crossover Freq:3.5KHz  Low Frequency: 8"Woofer  High Frequency: 1" titanium diaphragm compression driver Input Connector: USB Player/MIC/RCA Casing Dimension(WxDxH): 300 X 250 X 445mm