Alpine 12” Type R-Series Powered Ported Bass Package Includes one Alpine R-W12D4 12” subwoofer, R-A75M amplifier, and 2.25 ft³ optimized ported enclosure
Alpine R-SB12V Pre-Loaded R-Series 12-inch Subwoofer Enclosure, S-A60M 600 Watt Mono Amplifier, and Wiring Kit - Creative Audio
Best Buy: Alpine Type-E 12" Single-Voice-Coil 4-Ohm Subwoofers (Each) SWE-12S4
Alpine R2-W12D2 - 12" Type R Series Dual 2Ohm Car Subwoofer 2250W BNIB | eBay
Amazon.com: Alpine W12S4 12-inch Single 4 Ohm Subwoofer Bundle : Electronics
Amazon.com: Alpine ALP19-R-W12D2x2wKit Car Audio Type R Dual 2 Ohm 1500 Watt 12" Subwoofers with Sub Install Kit and HA-SWKD Dual Sub Box Install Kit - 16 Screws and Speaker Wire with
Alpine W12S4 | 750 Watt 12" Single 4-ohm Car Subwoofer
Alpine Type-R 12" Subwoofer | P.C. Richard & Son
Alpine R-Series 12" Halo Subwoofer Enclosure - R2SB12V | Abt
Alpine SWX-1243D Type-X 12" Car Subwoofer
SWR-12D4 | 2250W Peak 12" Series Dual 4-Ohm Car Sub | Alpine
Alpine R2-SB12V Single Type R2 12-in Subwoofer in Vented Enclosure - Used Good - Creative Audio
Best Buy: Alpine Type-S 12" Dual Voice Coil 2-Ohm Subwoofer Black SWS-12D2
Alpine 12” Type X-Series Ported Bass Package Includes one Alpine X-W12D4 12” subwoofer, and 2.00 ft³ optimized ported enclosure
Alpine 12 Inch Type-S Subwoofer (SWS-12D2/D4) | SK Customs Car Audio & Home Theater | Atlanta | Norcross | Duluth | John's Creek
Amazon.com: Alpine Electronics 2250W 12" Subwoofer : Electronics
Alpine S-Series 12" Dual-Voice-Coil 4-ohm Subwoofer Black S-W12D4 - Best Buy
Alpine SWA-12S4 BassLine Series 12" 4-ohm subwoofer at Crutchfield
Alpine R2-SB12V 12" R-Series Halo Loaded Sub Enclosure w/ Alpine S-A60M S-Series Mono Amplifier 600W RMS & Wiring Kit - Creative Audio
Amazon.com: Universal Car Stereo Vented Port Single 12" Alpine S-W12D4 Type S Car Audio Subwoofer Custom Sub Box Enclosure Package New : Electronics
Alpine SWE-1242 Type-E 12" 4-ohm subwoofer at Crutchfield
Alpine - SWR-12D4 12′′ (30 cm) Type-R Subwoofers (4Ω + 4Ω)
2) Alpine Type-R R2-W12D2 12" 750w Subwoofers+Vented Box+Mono Amplifier+Amp Kit - Rockville Audio
2 Alpine Type-S SWS-12D4 12 3000w Car Subwoofers+Vented Sub Box Enclosure SWS12 | Audio Savings
