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Aerial and polkaudio have partnered to bring you the best sound/audio experience for wakeboarding
About the polkaudio db series speaker - technologies and features:
- Dynamic Balance Polymer/Mica Composite Mineral Filled Cone is stiff yet lightweight for big sound, little distortion.
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Marine Certified Polk db Series speakers are built tough to withstand the toughest environments so they are perfect for use in boats of all types. 
- 19mm Liquid-Cooled Silk/Polymer composite Dome Tweeter with Neodymium magnet for clear, detailed highs.
- Tweeter pivots, allowing you to aim it toward your listening position.
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Low-mass 2-Layer Kapton Voice Coil former is lightweight for high sound output. Kapton’s high melting temperature (725°F/400°C!) ensures high power handling and kick-butt reliability.
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Muscular ABS Grilles, computer optimized and based on exclusive MOMO designs.
- Durable Butyl Rubber Surround won’t fall apart under the stress of extreme temperatures, sunlight or time, for years of the great Polk sound.
- Pole Plate Heat Sink promotes better heat dissipation for superior power handling and reliability.
- Flat Spider for faster, longer excursion linear motion.
- Flexible Woven Leads sewn directly into Spider for greater reliability.
- Rock solid, acoustically inert Stamped Steel Basket finished in rustproof Gun Metal Gray.
- Stainless steel mounting hardware.
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