Alpine SWR-12D4 Type-R 12″ Subwoofer with Dual 4-ohm Voice Coils

$249.95

$128.99
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as of 11/22/2024 (Details)


Alpine's Type-R subwoofers will bring big bass to just about any vehicle. The SWR-12D4 12" sub features a cone made from Kevlar® treated pulp - the same material used to make bulletproof vests - and its durable HAMR SantopreneTM surround allows for huge amounts of excursion. This sub was built for bassheads that want the best of both worlds: accurate response and otherworldly thump.

Technical Details

  • SWR-12D4 - Alpine 12" Dual 4-Ohm Type-R Series Subwoofer
  • Top-mount depth: 6-3/8"
  • Sealed box volume: 0.75-1.00 cu. ft.
  • Ported box volume: 1.25-1.50 cu. ft.

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