Alpine R-Series R-W10D2 10" 2250 Watts Dual 2 Ohm Voice Coil Car Sub SubwooferAlpine R Series R W10D2 10" 2250 Watts Dual 2 Ohm Voice Coil Car Sub Subwoofer Alpine is proud to announce the introduction of the new R Series Subwoofer lineup that is built off the highly esteemed Type R platform. With select key design and build improvements, the R Series Subwoofer is able to output more of that deep bass extension and control that the Type R is known for. The next evolution of proven performance The new R Series subwoofers take a