FREQUENCY RESPONSE :35Hz-150Hz ?3dB DRIVERS :2 x 18" (460mm) RATED POWER : 1000W AES, 4000W peak SENSITIVITY : 102dB MAXIMUM SPL : 130dB continuous, 136dB peak IMPEDANCE :4 ohms nominal DISPERSION : DIMENSIONS : (W) 561mm x (H) 1066mm x (D) 780mm (W) 22.1ins x (H) 42ins x (D) 30.7ins WEIGHT : 87kg (191.5lbs)