ROCKFORD FOSGATE R2D4-12ROCKFORD FOSGATE (R2D4 12) PRIME 12" R2 4 OHM DVC SUBWOOFER Car Audio Fanatics wanting big bass can rely on the Prime R2D4 12 subwoofer. This 12 subwoofer handles 250 Watt RMS and the 4 Ohm Dual Voice Coil design lets you to wire them in various configurations. Car Audio Fanatics who want Rockford Fosgate quality can rely on the Prime Series 10" subwoofers to get the job done, and the Dual Voice Coil provides awesome installation flexibility. These