ROCKFORD FOSGATE R2SD4-10ROCKFORD FOSGATE (R2SD4 10) PRIME 10" R2S 4 OHM DVC SHALLOW SUBWOOFER When you have no space for bass, our Prime R2SD4 10 shallow subwoofer will satisfy your need. This 10 subwoofer handles 200 Watts RMS and the 4 Ohm Dual Voice Coil design lets you to wire them in various configurations. When you have no space for bass, our R2 10" shallow subwoofer can help satisfy your need for low frequency music. These drivers can fit in tight spaces due to an