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Alpine Type-R 10" Dual-Voice-Coil 2-Ohm Subwoofer Black SWR-10D2 - Best Buy
Alpine Type-R Thin 10" Single-Voice-Coil 4-Ohm Subwoofer Black SWR-T10 - Best Buy
SWR-10D4 - Alpine 10" Dual 4-Ohm Type-R Series Subwoofer
Alpine SWR-1042D Type R10” Subwoofer with Dual 4-ohm Voice Coils (Used). | eBay
Alpine SWR-10D4 Type-R 10" Subwoofer - Signature Car Sound
Alpine RS-W10D2, R Series 10" Dual 2 Ohm Voice Coil Shallow Subwoofer, – AVLeaderz
Alpine R-W10D4 Type R 10" Dual 4 OHM Subwoofer with GTR-601 Mono Subwoofer Amplifier 600 watts RMS x 1 at 2 ohms - Creative Audio
Alpine 10 Inch Type-R Subwoofer (R-W10D4/D2) | SK Customs Car Audio & Home Theater | Atlanta | Norcross | Duluth | John's Creek
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 R2-SB12V Single Type R2 12-in Subwoofer in Vented Enclosure - Creative Audio
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 R-W10D4 10 inch 750W Car Subwoofer 793276040527 | eBay
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Amazon.com: Alpine X-W10D4 Car Audio Type X Dual 4 Ohm 1800 Watt 10" Subwoofers with Sub Install Kit Package : Electronics
Bass Package: Alpine SWR-1042D Subwoofers + Dual 10" Sub Box