Rockford Fosgate P3S-1X12 Single P3 12 Shallow Loaded Enclosure 800W OPEN-BOX#. WHAT’S IN THE BOX. 1 X Rockford Fosgate P3S-1X12 Shallow Loaded Enclosure. Rockford Fosgate P3S-1X12 Single P3 12 Shallow Loaded Enclosure 800W. The P3S-1X12 is a single 12 Punch Shallow subwoofer rated at 400 Watts RMS loaded in a sealed enclosure. This subwoofer enclosure is internally wired to a 1-Ohm load and features 5/8 MDF and 10 AWG quick-release input terminals. Sealed truck box style enclosure. Constructed with 5/8… Continue Reading ››