Dynamic Balance is a proprietary Polk Audio technology using laser imaging to
determine what combination of speaker materials create the least amount of
resonance. Eliminating resonance in speakers results in a wide, smooth response
and low distortion.
Marine Certified: Polk db
Series speakers are built to withstand exposure to moisture and UV rays, so they
work well in boats and cars.
Woofer Cones: Each speaker
features a Dynamic Balance polymer/mica composite mineral-filled cone. The cones
are stiff and lightweight for big sound and low distortion.
a smoother response and improved durability, the woofers use butyl rubber
Silk/Polymer Composite Tweeters:
The 3/4" liquid-cooled, silk/polymer composite tweeters provide clear,
2-way Crossover Network: The
built-in 2-way crossover network sends the appropriate frequencies to each
driver for cleaner sound and better imaging.
Our Product Research Team
At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.