Rockford Fosgate Punch P300-10 Punch powered subwoofer with 10" subYour all in one solution Are you looking to add some bass to your ride without all the headaches of matching up a sub with a compatible amp and enclosure? Rockford Fosgate has created the P300 10 powered sub, a perfect match of enclosure, sub, and amp that allows you to avoid all the complex mathematics. You'll love the powerful impact this enclosure adds to your favorite tracks, and you'll rest easy knowing that you're getting tried and true Rockford