ROCKFORD FOSGATE P2D2-8ROCKFORD FOSGATE (P2D2 8) PUNCH P2 8" SUBWOOFER WITH DUAL 2 OHM VOICE COILS Rockford Fosgate has always been known as "The PUNCH" and the P2 8" subwoofer certainly continues with the tradition. Kevlar fiber reinforced paper cones deliver bass impact you can feel along with VAST technology to increase surface cone area up to 25%. The P2 subwoofers perform best in standard sealed and vented enclosures. Includes diamond cut cast aluminum trim ring.