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
Alpine SWR-1042D Type R10” Subwoofer with Dual 4-ohm Voice Coils (Used). | eBay
Alpine SWR-1042D Type-R 10" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine Type-R Thin 10" Single-Voice-Coil 4-Ohm Subwoofer Black SWR-T10 - Best Buy
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 RS-W10D2, R Series 10" Dual 2 Ohm Voice Coil Shallow Subwoofer, – AVLeaderz
Alpine R-W10D2 10-Inch Dual 2 Ohm Subwoofer (Each) New (RW10D2) with Vented Subwoofer Enclosure Box | Reverb
Alpine SWR-1042D Type-R 10" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine Type-R 10" Dual-Voice-Coil 2-Ohm Subwoofer Black SWR-10D2 - Best Buy
SWR-10D4 - Alpine 10" Dual 4-Ohm Type-R Series Subwoofer
Alpine SWR-1042D Type-R 10" subwoofer with dual 4-ohm voice coils at Crutchfield