Alpine 10 Inch Type-R Subwoofer (R-W10D4/D2) | SK Customs Car Audio & Home Theater | Atlanta | Norcross | Duluth | John's Creek
Universal Car Stereo Slotted S Port Single 10" Alpine Bundle Type R R-W10D4 Sub Box Enclosure with Harmony HA-A800.1 Amplifier & 4GA Amp Kit - Walmart.com
Amazon.com: Universal Car Stereo Vented Port Single 10" Alpine S-W10D4 Type S Car Audio Subwoofer Custom Sub Box Enclosure Package New : Electronics
Alpine SWE-1042 Type-E 10" 4-ohm subwoofer at Crutchfield
SWR-10D4 - Alpine 10" Dual 4-Ohm Type-R Series Subwoofer