Rockford Fosgate P1-1X12 Punch Single 12 Inch 4 Ohm Loaded Enclosure 250w RMSP1 1X12 Punch Single P1 12" Loaded Enclosure The P1 1X12 is a single P1 12 vented enclosure with 250 Watts RMS power handling wired to a 4 Ohm load. The enclosure is constructed with 5 8 MDF, covered in high density carpet, and features quick release compression terminals. The most convenient way to get low frequency bass in your system is to drop in a Punch Loaded enclosure. We're not talking junk in the trunk, we're talking the same genuine Punch