Pioneer TS-SW3001S2 12-Inch Shallow Subwoofer with 1500 Watts Max Power Subwoofers Component Subwoofers 12-inch Shallow Series subwoofer with 1500 Watts maximum (400 nominal) power handling Basalt/carbon fiber reinforced IMPP cone with fiber-woven radial surround 2-ohm single voice coil design 12-inch Shallow Series subwoofer with 1500 Watts maximum (400 nominal) power handling Basalt/carbon fiber reinforced IMPP cone with fiber-woven radial surround 2-ohm single voice coil design 20 Hz to 230 Hz frequency response with 93 dB sensitivity 3-1/4-inch mounting depth