Best Buy: Alpine Type-R 12" 1000W Subwoofer Black SWR-12D4
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Alpine SWR-8D2, R Series Dual 2 Ohm Voice Coil 1000 Watts Subwoofer, 8"
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Alpine - SWX-1043D 25 cm (10-Zoll) Subwoofer (4Ohm + 4Ohm)
Alpine SWR-8D2, R Series Dual 2 Ohm Voice Coil 1000 Watts Subwoofer, 8"
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