Rockford Fosgate Punch P3 P3SD212 Shallow 12-Inch  400 Watt Subwoofer  - 2 Ohm (Discontinued by Manufacturer) Shallow-mount 12-inch, 2-ohm, dual voice coil subwoofer with 800 watts maximum power handling (400 watts RMS) Kevlar fiber reinforced semi-pressed paper cone with high-excursion Poly-Ether-Ester surround High-temp voice coil with spun-laced Nomex re-inforcement collar Mount in either direction; reversible cast aluminum trim ring included Rigid die-cast aluminum low profile basket