Rockford Fosgate Punch P1 P1S48 8-Inch 150-Watt Subwoofer - 4 Ohm Eight-inch, 4-ohm subwoofer with 300 watts maximum power handling (150 watts RMS) Thermoformed polypropylene cone with high-density poly-foam surround High-temp voice coil with spun-laced Nomex re-inforcement collar Mount in either direction; reversible trim ring included Designed for small enclosures