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2) Alpine Type-S SWS-12D4 12" 1500w Subwoofers+Vented Sub Box+Mono Amplifier+Kit | Audio Savings
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![Alpine R-W12D2 12" Dual 2 OHM Type-R 2250W Pro Loud Subwoofer Speaker Sub - Walmart.com](https://i5.walmartimages.com/asr/55c1c98c-c211-4d7a-b191-99392d3e21c0_1.c11438f027842956246b2044d1faa702.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF "Alpine R-W12D2 12" Dual 2 OHM Type-R 2250W Pro Loud Subwoofer Speaker Sub - Walmart.com")
Alpine R-W12D2 12" Dual 2 OHM Type-R 2250W Pro Loud Subwoofer Speaker Sub - Walmart.com
Alpine RS-W10D4 | Pacific Stereo
Amazon.com: Alpine ALP19-R-W12D4 Car Audio Type R Series Sub Dual 4 Ohm 1500W Peak 12" Subwoofer : Electronics
Best Buy: Alpine X-Series 12" Dual-Voice-Coil 4-Ohm Subwoofer Black X-W12D4
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Alpine S-W10D2 10" 1800w Car Audio Subwoofer Sub+Mono Amp Power Pack Amplifier | Audio Savings
Two 12-inch 1000 W Kicker Speakers With 800 W Alpine Amp Brand New | eBay
Alpine Type S SWS-12D4 12 Inch 1500 Watt Max 4 Ohm Round Car Audio Subwoofer
