Best Buy: Alpine R-Series 12" Single-Voice-Coil 4+4-Ohm Subwoofer Black R -W12D4
R Series | KEF
Alpine R-W10D4 10 inch 750W Car Subwoofer for sale online | eBay
Alpine Type-R 12" Subwoofer | P.C. Richard & Son
Velodyne Dls-r Series DLS3500R Powered Subwoofer for sale online | eBay
Klipsch Reference Series R-8SW 8" 150W Subwoofer 1063511 B&H
KEF R Series Twin 9" Driver 1000 Watts RMS Total Subwoofer with Force-Cancelling (KF92) | Visions Electronics Canada
Alpine | R-SB12V 12" Alpine Halo Subwoofer with ProLink™
R-100SW Subwoofer | Reference Series | Klipsch
REL R-Series Sub Bass System R-205 Subwoofer – SkyFi Audio
Alpine - R-W12D2 12′′ (30 cm) R-Series Subwoofers (2Ω + 2Ω)
Alpine S-SB10V Pre-Loaded S-Series 10-inch Subwoofer Enclosure - Creative Audio
Velodyne CHT-R Series Subwoofer - Stereo, Home Cinema, Headphones Components - StereoNET International
Alpine R-W12D4 R-Series 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine R-SB12V Halo R-Series Pre-Loaded 12-inch Subwoofer Enclosure
Alpine R-Series 12" Halo Subwoofer Enclosure - R2SB12V | Abt
Alpine R-Series 12" Dual 2-Ohm Subwoofer - R2W12D2 | Abt
Klipsch Reference Series R-100SW 10" 300W Subwoofer 1065957 B&H
Alpine | R-SB12V 12" Alpine Halo Subwoofer with ProLink™
Best Buy: KEF R Series Dual 9" 500W Subwoofer Piano White High Gloss R400GW
Two Alpine R-W10D4 R-Series 10-Inch Dual 4 Ohm Subwoofers bundle - Creative Audio
Alpine - R-Series Subwoofers
SWR-8D4 - Alpine 8" Dual 4-Ohm Type-R Series Subwoofer
Alpine - R-A75M R-Series Mono Power Amplifier - RMS Power Ratings 1 x 750W @ 2 Ohms - Total Max Power: 1500W
R-10SW Subwoofer | Klipsch
Alpine 10 Inch Type-R Subwoofer (R-W10D4/D2) | SK Customs Car Audio & Home Theater | Atlanta | Norcross | Duluth | John's Creek
