Alpine 12” Type X-Series Ported Bass Package Includes one Alpine X-W12D4 12” subwoofer, and 2.00 ft³ optimized ported enclosure
Alpine Type-R 12" Subwoofer | P.C. Richard & Son
2) Alpine SWR-T12 12" 3600w Shallow Subwoofers + Slim Sub Box Enclosure SWRT12 - Walmart.com
Alpine SWR-12D2 - 12 Inch Subwoofer - Car subwoofers - Custom Sounds & Tint
Alpine SWR-1242D Type-R 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine R-W12D2 Dual 2 Ohm 1500W Peak 12" Subwoofer
Alpine SW12D4 12" Subwoofer Dual 4 Ohm Coils 600 Watts RMS/1,800 Watts Peak | BrandsMart USA
Alpine 12" R-Series Dual 4-Ohm Subwoofer Vented Ported Enclosure Sub Box Kit | Alpine-SubPackage-1
Alpine 12 inch 1800W Active Car Subwoofer for sale online | eBay
Alpine S-W12D2 12" 1800w Car Audio Subwoofer Sub+Mono Amp Power Pack Amplifier | Audio Savings
Alpine R2-W12D4 12” R-Series 750W RMS Subwoofer Dual 4 Ohm Car Audio Sub R2W12D4 793276084651 | eBay
Alpine SWS-1243D Type-S 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine Halo R2-Series Dual 12" Voice Coil 4-Ohm Loaded Subwoofer Enclosure Black R2-SB12V - Best Buy
Alpine S-W12D4 | 600W RMS 12" Type-S Series Dual 4 Ohm Car Subwoofer
2) ALPINE S-W10D2 10" 1800w Car Audio Subwoofers Subs+Mono Amplifier+Amp Kit - Rockville Audio
