Description

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 appropriately reproduce music like you’ve 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 in addition to increases the lifetime of the speaker under any conditions. Being marine certified, the Polk DB521’s will surprise you with its versatility and ability to be used in many applications. The high-efficiency loudspeaker means less power is essential for a similar quality output. The revamped db Series delivers that perfect Polk Audio performance and durability like never before.
5-1/4″ 2-way Speakers (Marine Certified)
Power Handling: Peak: 275 watts per pair / 135 watts each and every & RMS: 90 watts per pair / 45 watts each and every
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 simple drop-in installations in most cars
Pair of marine certified speakers perfect to be used 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 large sound
Durable butyl rubber surround stands as much as the stress of extreme temperatures, sunlight and time