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Polk Audio DB351 3.5-Inch Coaxial Speakers, Pair - Black


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  • 3.5 Inch diameter size Coaxial Speakers (pair) - mobile, motorcycle, or marine use
  • Marine Certified Speakers for use in boats of all types
  • Dynamic Balance® polymer/mica composite mineral filled cone
  • 12mm liquid-cooled silk/polymer composite dome tweeter with neodymium magnet
  • Durable butyl rubber surround
  • Pole plate heat sink
  • Flat spider
  • Flexible Woven Leads sewn directly into spider 
  • Acoustically inert stamped Steel Basket
  • Stainless Steel mounting hardware
  • Maximum input power: 105 watts   
  • Electrical - Nominal Impedance - 4 ohms
  • Electrical - Total Frequency Response - 90Hz-22kHz
  • Electrical Power Handling - Continuous - 35 watts



These Polk Audio DB351 3.5-Inch Coaxial Speakers deliver big sound with little distortion. The db Series speakers are built tough to withstand the toughest environments so they are perfect for use in boats of all types. The Durable butyl rubber surround won't fall apart under the stress of extreme temperatures, sunlight or time, for years of the great Polk sound. Enjoy superior looks and even better sound at a price that makes high performance mobile audio affordable to everyone! The db Series works really well in OEM factory systems, as well as with high-powered aftermarket head units and component power amps. The db Series delivers classic Polk performance and durability like never before.