Rockford Fosgate Punch P1 P1L-1X12 Single 12-Inch  Pre-Loaded Enclosure Vented 12-inch enclosure pre-loaded with Punch P1 Series P1S412 subwoofer handles 300 watts max (150 watts RMS) Constructed with 5/8" MDF covered with industrial grade carpet Proprietary high-flow, low-noise port High current AWG binging posts Computer optimized design