Alpine SWR-8D4: Type-R 8" Subwoofer
Alpine SWR-8D4: Type-R 8" Subwoofer
Alpine SWR-8D4: Type-R 8" Subwoofer
Alpine SWR-8D4: Type-R 8" Subwoofer

Alpine SWR-8D4: Type-R 8" Subwoofer

Regular price $219.00
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Product Highlights:

Introducing A New Level of Type-R Performance

These redesigned fifth-generation Type-R subwoofers include an abundance of enhanced features to achieve staggering power handing capabilities, cleaner output, deeper bass extension and ultra-responsive control than ever before.

SWR-8D4 8" sub features a cone made from Kevlar treated pulp — the same material used to make bulletproof vests — and its durable HAMR Santoprene 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.

  • 8" subwoofer with dual 4-ohm voice coils
  • Kevlar reinforced pulp cone with HAMR Santoprene rubber surround
  • frequency response: 30-200 Hz
  • power handling: 150-350 watts RMS (175 watts per coil)
  • peak power: 1,000 watts
  • sensitivity: 83.5 dB
  • top-mount depth: 4-1 / 2"
  • sealed box volume: 0.15-0.50 cubic feet
  • ported box volume: 0.25-0.70 cubic feet
  • grille not included
  • warranty: 1 year

What's in the Box:

  • Owner's manual
  • One 8" Dual 4-ohm voice coil subwoofer
  • 1 Rubber concealing ring (installed)
  • Two 4.5" jumper cables (each cable has a single banana connector on each end)
  • Type-R Subwoofer application guide (English / French)
  • On-line product registration information (English / French / Spanish)
  • Warranty information (English / French)