Configuration：2-way Active speaker system  Freq Response(-10dB): 65-20KHz  KHz Sensitivity (1W@1m): 96dB Nominal Impedance: 4 ohms Amplifier: LF 100 Watts HF 25 Watts dispersion(HXV): 90°X45°  Crossover Freq: 3.5KHz  Low Frequency: 8"Woofer  High Frequency: 1" titanium diaphragm compression driver Input Connector: USBMP3 Player/MIC/RCA Casing Dimension(WxDxH): 300 X 250 X 445mm