Alpine Type "R" SWR-1222D 12" Dual 2 ohm 1500 watt subwoofers
Alpine SWR-1043D 10" Type-R Car Subwoofer
Best Buy: Alpine Type R 10" Dual-Voice-Coil 4-Ohm Subwoofer SWR-1043D
Buy Alpine R-W12D4 Car Subwoofer - Doorstep Installation
Alpine Type R 12 Inch Car Subwoofers for sale | eBay
Alpine Type-R SWR-12D4 12" 3000 Watt Dual 4-Ohm Car Audio Subwoofer Sub SWR12D4 | Audio Savings
Alpine - SWR-8D4 8" (20cm) Type-R Subwoofers (4Ω + 4Ω)
Alpine SWR-1522D Type-R 15" subwoofer with dual 2-ohm voice coils at Crutchfield
Alpine - SWR-12D2 12′′ Type-R Subwoofers (2Ω + 2Ω)
Alpine SWR-1242D Type-R 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine SWR-8D4 Type-R 8" subwoofer with dual 4-ohm voice coils
Alpine SWR-1042D Type-R 10" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine - R-Series Subwoofers
Alpine SBR-S12D4 Type-R 12" Subwoofer Enclosure - Signature Car Sound
2) Alpine Type-R R2-W12D2 12" 750w RMS Car Subwoofers+Vented Sub Box Enclosure - Rockville Audio
Alpine Type-R SWR-1542D 2000W Peak 15" Type-R Series Dual 4-Ohm Sub
Alpine SWR-1222D Type-R 12" subwoofer with dual 2-ohm voice coils at Crutchfield
Alpine SWR-1221D (swr1221d) 12" Car Subwoofers - Sonic Electronix
Alpine - SWR-T12 Type-R Subwoofers
SWR-12D4 | 2250W Peak 12" Series Dual 4-Ohm Car Sub | Alpine
Amazon.com: Alpine RW10D2 2250W Dual 2 Ohms Voice Coil Subwoofer, 10 Inches : Electronics
Box build for 2-12" Alpine Type-R subs - YouTube
Amazon.com: Alpine Type R 12 Inch 2250 Watt Max 4 Ohm Round Car Audio Subwoofer %7C R%2DW12D4 : Electronics
Best Buy: Alpine Type-R 12" 1000W Subwoofer Black SWR-12D4
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
SWR-10D4 - Alpine 10" Dual 4-Ohm Type-R Series Subwoofer
Alpine SWR-1041D (swr1041d) 10" Subwoofer - Sonic Electronix
Alpine 10” Type-R Thin Powered Sealed Bass Package Includes one Alpine SWR-T10 10” thin subwoofer, one R-A75M amplifier, and sealed enclosure
