One (1) Rockford Fosgate P1-1X12 12" 500W Subwoofer Enclosure. P1 12" Loaded Enclosure. Rockford Fosgate P300-12 300W Amplifier 12" Subwoofer Sealed Enclosure NEW. Subwoofer: P1S4-12. Any claim relating to the use of this site, its materials and any sales thereunder is governed by the laws of the Commonwealth of California, without regard to conflict of laws rules and California will be the sole jurisdiction and venue for any litigation arising from the use of or orders made on the site.