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

Step up your vehicles audio performance with Polk Audio's revolutionary db521's. Cutting edge technology has allowed for an efficient speaker that has ability to accurately reproduce music like you have never heard before. A precise balance of materials including the Silk/Polymer Dome tweeter and Mica Cone woofer enable smooth roll off and quick response at any volume. The rubber surround adds to bass response as well as increases the lifetime of the speaker under any conditions. Being marine certified, the Polk DB521's will surprise you with its versatility and ability for use in many applications. The high efficiency loudspeaker means less power is necessary for the same quality output. The revamped db Series delivers that perfect Polk Audio performance and durability like never before.

• 5 1/4 inches 2 way Speakers (Marine Certified)
• Power Handling: Peak: 275 watts per pair / 135 watts each & RMS: 90 watts per pair / 45 watts each
• Dynamic Balance polymer/mica composite mineral filled cone is stiff yet lightweight for big sound and little distortion
• 19mm liquid cooled silk/polymer composite dome tweeter with neodymium magnet for clear and detailed highs
• Multi hole mounting pattern and shallow depth for easy drop in installations in most cars
• 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