Configuration: 2-way Active speaker system Freq Response(-10dB): 55-20KHz Sensitivity (1W@1m): 97dB Nominal Impedance: 4 ohms Amplifier: LF 120 Watts HF 25 Watts dispersion(HXV): 90°X45° Crossover Freq: 3.5KHz Low Frequency: 10" Woofer High Frequency: 1" titanium diaphragm compression driver Input Connector: USB MP3 Player/MIC/RCA Casing Dimension(WXDXH): 395 X 345 X 560mm