2) Alpine Type-R R2-W12D4 12" 750w RMS Car Subwoofers+Vented Sub Box Enclosure - Walmart.com
Alpine R2-W10D4, R Series 10" Dual 4 Ohm Voice Coil Subwoofer – AVLeaderz
Amazon.com: Alpine R-W12D4 R-Series 12-inch Dual 4 Ohm Subwoofer 2017 Model : Electronics
Alpine R-Series 12" Dual 4-Ohm Shallow Subwoofer - RSW12D4 | Abt
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Amazon.com: Alpine R-W10D4 Car Audio Type R Dual 4 Ohm 1500 Watt 10" Subwoofers with Sub Install Kit Package : Electronics
Alpine 10” Type-R Thin Powered Sealed Bass Package Includes one Alpine SWR-T10 10” thin subwoofer, one R-A75M amplifier, and sealed enclosure
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Alpine SWR-1242D Type-R 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Alpine SWR-1242D Type-R 12" subwoofer with dual 4-ohm voice coils at Crutchfield
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(2) Alpine R2-W8D4 8” 350W RMS Dual 4 Ohm Car Subwoofers+Mono Amplifier+Amp Kit
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Alpine R-W12D2 R-Series 12" Subwoofer With Dual 2-ohm Voice Coils
Amazon.com: Alpine Type R 12 Inch 2250 Watt Max 2 Ohm Round Car Audio Subwoofer (2 Pack) : Electronics
Alpine R2-W12D4 12" R-Series "R2" Subwoofer, Dual 4-Ohm, 750 Watt RMS - Creative Audio
Alpine 10 Inch Type-R Subwoofer (R-W10D4/D2) | SK Customs Car Audio & Home Theater | Atlanta | Norcross | Duluth | John's Creek
Alpine SWR-1522D Type-R 15" subwoofer with dual 2-ohm voice coils at Crutchfield
Alpine R-Series dual voice coil subwoofers | Crutchfield - YouTube
2 Alpine R-W12D4 Car Subwoofer 2250W Max, 750W RMS 12" R-Series Dual 4-Ohm Car Subwoofer | Reverb
Alpine R2-W8D2 8” R-Series 350W RMS Subwoofer Dual 2 Ohm Car Audio Sub R2W8D2 613817058470 | eBay
