Alpine SBR-S8D4 Type-R 8″ Subwoofer Enclosure

Alpine SBR-S8D4 Type-R 8″ Subwoofer Enclosure

$299.00 $269.00

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Product Description

The SBR-S8D4 features Alpine’s 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 Alpine’s H.A.M.R (High Amplitude Multi Roll) suspension. This unique design allows greater linear excursion while improving control, to achieve maximum output and oustanding sound quality.


Designed to achieve optimal output, the carpeted enclosure features heavy duty MDF construction. Plus, stylish brushed aluminium laminate and a robust grill create the perfect balance of stunning aesthetics and practicality.


  • 900W Peak Power
  • 300W RMS Power
  • High Amplitude Multi Roll (HAMR) surround
  • Frequency Response: 28Hz – 400Hz
  • USA Designed Slot Ported Subwoofer Enclosure
  • Heavy Gauge Spring Terminals
  • Dimensions: (L x W x H cm) 49 x 29 x 16
  • SWR-823D Pre-installed
  • Grille Included

Additional Information



Subwoofer Size



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