Pioneer TS-W2502D2 10 In. Champion Series PRO Subwoofer with 3000 Watts 10-inch Champion Series PRO subwoofer with 3000 Watts maximum (800 nominal) power handling Basalt/carbon fiber reinforced IMPP cone with fiber-woven aramid surround Dual 2-ohm voice coil for 1 or 4 ohm operation 20 Hz to 150 Hz frequency response with 90 dB sensitivity 169.2 Millimeter mounting depth