Pioneer TS-SW2501S2 10-Inch Shallow Subwoofer with 1200 Watts Max Power 10-inch Shallow Series subwoofer with 1200 Watts maximum (300 nominal) power handling Basalt/carbon fiber reinforced IMPP cone with fiber-woven radial surround 2-Ohm single voice coil design 20 Hz to 290 Hz frequency response with 90 dB sensitivity 3-Inch mounting depth