R-W10D4 - Subwoofer
Alpine R2-W12D4 12" R-Series "R2" Subwoofer, Dual 4-Ohm, 750 Watt RMS - Creative Audio
Alpine - SWR-12D4 12′′ (30 cm) Type-R Subwoofers (4Ω + 4Ω)
Alpine R-W10D4
Alpine SWR-1242D Type-R 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine SWR-1221D 12" Dual 2-ohm Voice Coil Subwoofer at Crutchfield
Alpine SWR-1242D Type-R 12" subwoofer with dual 4-ohm voice coils at Crutchfield Canada
2) Alpine Type-R R2-W12D2 12" 750w Subwoofers+Vented Box+Mono Amplifier+Amp Kit - Rockville Audio
Subwoofer Box Alpine Type R SWR-1242D | Ported Box | Slot
Alpine SWR-1241D 12" Dual 4-ohm Voice Coil Subwoofer at Crutchfield
Alpine SWR-1240D at Onlinecarstereo.com
Best Buy: Alpine Type-R 12" 1000W Subwoofer Black SWR-12D4
Amazon.com: Alpine R-W12D2 Dual 2 Ohm 1500W Peak 12" Subwoofer : Electronics
Alpine Type R SWR-1241D subwoofer *Brand New" - EvolutionM - Mitsubishi Lancer and Lancer Evolution Community
Alpine R-W10D4
Alpine - SWR-1243D Subwoofers Serie R
HM Audio Parts.: Alpine 12" Type-R 1500 Watts
Alpine SWR-12D2 - 12" DVC Type R Subwoofer - Signature Car Sound
Alpine R2-SB12V-4 Next-Generation 12-inch R-Series Alpine Halo Preloaded Subwoofer Enclosure with ProLink™ - Sound Garage
Alpine SWR-1222D Type-R 12" subwoofer with dual 2-ohm voice coils at Crutchfield
Alpine Type-R SWR-1222D | Caraudio.es
Amazon.com: Alpine R-W12D2 Dual 2 Ohm 1500W Peak 12" Subwoofer : Electronics
LAB SlapBox™ 2.25 ft^3 Ported MDF Enclosure Box for Single Alpine 12" R-Series Subwoofer
Alpine - R2-W12D4 Next-Generation 12-inch (30cm) R-Series Subwoofer with Dual 4-Ohm Voice Coils
