2) Rockford Fosgate R1S4-12 12" 600W Car Subwoofers Subs + Vented Dual Sub Box communicate Monster Quad

Monster Quad

giving you the freedom to choose the brightness and energy efficiency that best suits your needs

a triple-layer material

48-inch aluminum oars

even results

2) Rockford Fosgate R1S4-12 12" 600W Car Subwoofers Subs + Vented Dual Sub Box communicate Monster QuadThe **Rockford Fosgate R1S4 12** 12" Prime Series 600 Watt 4 Ohm SVC Subwoofers use an anodized aluminum voice coil former that provides superior heat dissipation (up to 100 at max power levels). These subs can handle 300 watts of MAX power per sub (600 watts per pair) and 150 watts of RMS power per sub (300 watts per pair)! They have the capacity to handle power under continuous demand, conforming to CEA 2031 industry standards. The R1S4 12 subs also