Polk Audio DB402 DB+ Series 4 Coaxial Speakers with Marine Certification (Black) SP4052AA A built-in spherical filter minimizes

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

Transform small spaces into an immersive cinematic experience with exceptional 8K visuals and authentic surround sound

With the feet removed

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

and high-stakes karaoke competitions

Polk Audio DB402 DB+ Series 4 Coaxial Speakers with Marine Certification (Black) SP4052AA A built-in spherical filter minimizesPrice 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