Polk Audio DB521 5.25-Inch Coaxial Speakers (Pair, Silver)

Polk Audio db521 5.25" Coaxial Speakers bring you superior looks and sound at a price that makes high performance affordable to everyone. The polymer/mica composite mineral filled cone is stiff yet lightweight and brings you big sound with little distortion. A 19mm liquid-cooled silk-polymer composite dome tweeter with neodymium magnet creates clear, detailed highs. The Pole Plate Heat Sink promotes better heat dissipation for superior power handling and reliability. Polk db Series speakers are built tough to withstand the harshest environments, so they are perfect for use in boats of all types. The db Series delivers classic Polk Audio performance and durability like never before.

Polk Audio DB521 5.25-Inch Coaxial Speakers Features

• Pair of marine certified speakers perfect for use in boats of all types
• Equipped with a 0.75-inch liquid-cooled silk-polymer composite dome tweeter
• Maximum input power: 135 watts
• Equipped with a dynamic balance polymer/mica composite mineral-filled cone for a big sound
• Durable butyl rubber surround stands up to the stress of extreme temperatures, sunlight and time