Configuration：2-Way full range Vented loudspeaker system  Freq Response(-10dB): 40-20 KHz Sensitivity (1W@1m): 98dBNominal Impedance: 8 ohms Amplifier: 250Watts 600 Watts dispersion(HXV): 90°X60°  Crossover Freq:2.5KHz  Low Frequency: 15"Woofer  High Frequency: 1.75" titanium diaphragm compression driver Input Connector: USB Player/MIC/RCA Casing Dimension(WxDxH): 460 X 420 X 765mm