Size 12". Max. Music Power (Nominal) 2,000W (600 W). Frequency Response 20Hz - 80 Hz. Sensitivity (IN CAR, INPUT: 1W) 96 dB. Impedance 4 & x 2. Mounting Depth 6.9". Cut-Out Dimensions 11.1". Recommended Enclosure 1.25 cu. ft. This Pioneer subwoofer produces a steady, loud and powerful bass that is capable of withstanding up to 2,000 watts of maximum power while carrying 600 watts of continuous musical power.