Alpine S-W12D4 | 600W RMS 12" Type-S Series Dual 4 Ohm Car Subwoofer
Amazon.com: Alpine ALP19-R-W12D4 Car Audio Type R Series Sub Dual 4 Ohm 1500W Peak 12" Subwoofer : Electronics
Alpine 12" R-Series Dual 4-Ohm Subwoofer Vented Ported Enclosure Sub Box Kit | Alpine-SubPackage-1
Alpine Halo R2-Series Dual 12" Voice Coil 4-Ohm Loaded Subwoofer Enclosure Black R2-SB12V - Best Buy
Alpine R2-W12D4 12” R-Series 750W RMS Subwoofer Dual 4 Ohm Car Audio Sub R2W12D4 793276084651 | eBay
Alpine 12” Type X-Series Ported Bass Package Includes one Alpine X-W12D4 12” subwoofer, and 2.00 ft³ optimized ported enclosure
2) ALPINE S-W10D2 10" 1800w Car Audio Subwoofers Subs+Mono Amplifier+Amp Kit - Rockville Audio
Alpine Type-R 12" Subwoofer | P.C. Richard & Son
NVX VADM2 Amplifier + (2) Alpine 12" Subwoofers + Dual 12" Enclosure +Bak82bl
Amazon.com: Alpine S-W12D2 Car Audio Type S Dual 2 Ohm 1200 Watt 12" Subwoofers with Sub Install Kit Package : Electronics
Alpine R-W12D2 Dual 2 Ohm 1500W Peak 12" Subwoofer
2) Alpine S-W12D2 12" 1800 Watt Subwoofers+Vented Sub Enclosure Box w/Bed Liner - Rockville Audio
Alpine R-Series 12" Single-Voice-Coil 4+4-Ohm Subwoofer Black R-W12D4 - Best Buy
Alpine SWR-1222D Type-R 12" subwoofer with dual 2-ohm voice coils at Crutchfield
2) ALPINE S-W12D4 12" 1800 Watt Car Audio Subwoofers+Mono Amplifier+Amp Kit - Rockville Audio
2) Alpine SWR-T12 12" 3600w Shallow Subwoofers + Slim Sub Box Enclosure SWRT12 - Walmart.com
Alpine SWE-1242 Type-E 12" 4-ohm subwoofer at Crutchfield
Alpine R-Series R2-W12D4 12 Inch Dual 4-Ohm Voice Coils Subwoofer with 750W RMS
