Rockford Fosgate Punch P315D4 Car Subwoofer

Double the voice coils and you double your bass pleasure! The completely new Punch Stage 3 subwoofer utilizes dual 4-ohm voice coils for total wiring flexibility. The latest in engineering and materials are utilized to deliver thunderous bass in the tiniest enclosures. The new polypropylene cone is stronger and lighter than ever. Combine this with a new parabolic triangular geometry cone support system, and you have a piston assembly that is lightweight but extremely rigid. A new linear spider with integrated support ring ensures massive excursion and improves mechanical stability. Rockfords new high excursion, large roll surround is engineered to have the proper thickness and stiffness, assuring maximum cone travel and huge bass. Holding it all together is a totally new cast basket with unique 2-piece "basket within a bucket" design. This massive aluminum alloy frame adds rigidity to eliminate acoustic resonances and is vented to help cool the voice coil assembly. The reversible concealing ring covers up mou