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Bassworx SBR-8XP Alpine Type R 8" Ported Enclosure – Overdrive Auto Tuning
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Alpine SBR-S12T Type-R 12" Thin Subwoofer Enclosure - Signature Car Sound
Alpine | R-SB12V 12" Alpine Halo Subwoofer with ProLink™
Alpine SBR-S12D4 Type-R 12" Subwoofer Enclosure - Signature Car Sound
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2) Alpine Type-R R-W12D2 12" 750w RMS Car Subwoofers+Vented Sub Box Enclosure - Rockville Audio
