SPECIFICATIONS Nominal diameter : 12 in Nominal Impedance : 8 ohm Program Power : 600W Continuous Power (RMS) : 300W Sensitivity (1w/1m) : 95dB Frequency range : 55 – 5KHz Voice coil diameter : 75 mm Magnet dimension : 180 x 20 mm Product box size : 32x32x16 cm. Box Weight : 5.57 Kg.