ROCKFORD FOSGATE P2D4-15ROCKFORD FOSGATE (P2D4 15) PUNCH 15" P2 4 OHM DVC SUBWOOFER The Rockford Fosgate P2 15 subwoofer continues The PUNCH tradition. The P2D4 15 features a Dual 4 Ohm voice coil, 400 Watts RMS power handling, and can accommodate a grille insert using the included cast aluminum trim ring. Rockford Fosgate has always been known as "The PUNCH" and the P2 15" subwoofer certainly continues with the tradition. Kevlar fiber reinforced paper cones deliver bass