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Home > Marine Speakers > Polk Audio > MM840

Polk Audio MM840 8" 500 Watt Waterproof Marine Subwoofer

Code: MM840      Last Updated: 2017-07-03 14:43:21 By Rock The Boat
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Product Details:

Compact size for tight spaces. Waterproof design and advanced engineering make this high quality subwoofer loud and durable.

Important Note: A grill for this subwoofer is not included, but sold separately (MM8G)

  • Priced and sold individually (not in pairs)
  • 500 watts of peak power handling
  • 250 watts RMS (continuous) power handling
  • Stainless Steel, heavy duty input terminals
  • Lightweight and rigid carbon composite basket
  • Dynamic BalanceĀ® Driver Technology
  • Butryl rubber surround
  • Single 1 1/2" voice coil
  • Waterproof polypropylene cone
  • Kippel Optimized
  • ASTM B117-03 Salt Fog Standard Compliant
  • ASTM D4329 UV Exposure Standard Compliant
  • Cutout diameter: 7 1/8"
  • Mounting depth: 4 1/8"
  • Efficiency: 90 dB
  • 4 ohms
  • 26-200Hz frequency response
  • 1 year manufacturer warranty


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