Alpine 12 Inch Type-R Subwoofer (R-W12D2) | SK Customs Car Audio & Home Theater | Atlanta | Norcross | Duluth | John's Creek
Alpine R-W12D4 Car Audio Type R Series Sub Dual 4 Ohm 2250W Peak 12" Subwoofer | ALP19-R-W12D4
Alpine Jeep Wrangler Single 12-Inch Alpine Halo R-Series Preloaded Subwoofer Enclosure with ProLink R2-SB12V (Universal; Some Adaptation May Be Required) - Free Shipping
Alpine R-Series R2-W12D2 12 Inch Dual 2-Ohm Voice Coils Subwoofer with 750W RMS