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2 Alpine R2-W10D4 10" R-Series next generation 4 Ohm 2250 Max DVC Car – absoluteusa
2) Alpine Type R 12 Inch 2250 Watt Max 4 Ohm Round Car Audio Subwoofer - Walmart.com
Alpine Type R2-W12D2 12 Inch 2250 Watt Max 2 Ohm Round Car Audio Subwo – absoluteusa
Amazon.com: Alpine ALP19-R-W12D4 Car Audio Type R Series Sub Dual 4 Ohm 1500W Peak 12" Subwoofer : Electronics
JL Audio C2-650 vs Alpine Type R (R-W12D2). Which is the Best? - BestAdvisor.com
Alpine R-W12D4 | 12" R-Series Dual 4-ohm Car Subwoofer
Alpine Type R2-W12D2 12 Inch 2250 Watt Max 2 Ohm Round Car Audio Subwo – absoluteusa
Alpine Type R 12 Inch 2250 Watt Max 2 Ohm Round Car Audio Subwoofer | R-W12D2 - Walmart.com
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Amazon.com: Alpine R-W12D4 Car Audio Type R Series Sub Dual 4 Ohm 2250W Peak 12" Subwoofer and HA-SWKD Dual Subwoofer Sub Box Install Kit : Electronics
SWR-12D2 | 3000W Peak 12" Type-R Series Subwoofer | Alpine
Amazon.com: Alpine ALP19-R-W12D4 Car Audio Type R Series Sub Dual 4 Ohm 1500W Peak 12" Subwoofer : Electronics
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Alpine R2-W12D2 12 Inch 2250 Watt Max 2 Ohm Round Car Audio Subwoofer (2 Pack) | Reverb
Amazon.com: Alpine R-W12D4 Car Audio Type R Series Sub Dual 4 Ohm 2250W Peak 12" Subwoofer and HA-SWKD Dual Subwoofer Sub Box Install Kit : Electronics
Alpine R-W10D4, R Series Dual 4 Ohm Voice Coil 2250 Watts Subwoofer, 10" : Electronics - Amazon.com
Alpine Type R 10 Inch 2250 Watt Max 4 Ohm Round Car Audio Subwoofer | – Ultra Pickleball