FREQUENCY RESPONSE: 45Hz-120Hz ?3dB DRIVERS 15" (380mm) bass driver RATED POWER : 500W AES, 2000W peak SENSITIVITY : 98dB MAXIMUM SPL : 123dB continuous, 129dB peak IMPEDANCE : 8 ohms nominal DISPERSION : - DIMENSIONS : (W) 470mm x (H) 690mm x (D) 496mm (W) 18.5ins x (H) 27.2ins x (D) 19.5ins WEIGHT : 38.5kg (84.5lbs)