Polk Audio DB402 DB+ Series 4 Coaxial Speakers with Marine Certification (Black) SP4052AA the polypropylene cone is light

the polypropylene cone is light and rigid to give a flat frequency response and the SPL necessary to keep up with the other drivers

and high-stakes karaoke competitions

A built-in spherical filter minimizes wind and breath "pop" noise

Flexible earhooks rotate

This receiver supports end-to-end 8K/4K resolutions and higher refresh rates

Polk Audio DB402 DB+ Series 4 Coaxial Speakers with Marine Certification (Black) SP4052AA the polypropylene cone is lightPrice Match Guarantee Polk Audio DB402 DB+ Series 4 Coaxial Speakers with Marine Certification (Black) Polk Audio DB402 4" 2 Way Coaxial Speaker for Car & Marine The Polk Audio DB402 2 Way Speaker features a 4" polypropylene woofer cone and a 3 4" silk dome tweeter with a built in crossover, that delivers smooth and precise sound. The speakers' Dynamic Balance technology uses laser imaging to reduce resonance, resulting in a wide response and low