Type = 2 Way 3 Speakers System Mounted Drivers = Woofer 254 mm Cone Type, Tweeter 76 mm Cone Type x 2 Nominal Impedance = 8 Ohms Frequency Response = 48 Hz to 20 kHz Sensitivity = 91 dB Maximum Input Power = 550 Watt Nominal Input Power = 180 Watt Crossover Frequency = 3 kHz Dimensions = 509 [W] x 291 [H] x 279 mm Net Weight = 5,75 kg/pc Anti Magnetic Type