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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Direct replacement design with OEM-style fitment
Subwoofer: ISUB TWIN
stronger bass response
Product Type Midrange Speaker Driver Series Focal Utopia M Speaker Size 3
ALPINE R Series 8" Subwoofer Box ( Ported ) - SBR-S8D4.2 digital radio Direct replacement design with OEM-styleAward winning SBR S8D4, named INCAR SUBWOOFER OF THE YEAR LOADED ENCLOSURE for 2017. The SBR S8D4 features Alpines Type R 8 subwoofer in a custom slot ported enclosure. Ideal for installation in small spaces, its compact size means it can fit virtually anywhere. The pre installed subwoofer employs many features typically found in larger models, such as Alpines H. A. M. R (High Amplitude Multi Roll) suspension. This unique design allows greater linear
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