Polk Audio DB522, DB+ 5.25" Series Coaxial Car / Marine / UTV / ATV Speakers

High Performance Upgrade Upgrade from your OEM speaker system toward a bigger, fuller, high-performance sound. The high-grade materials used in our DB+ Series ensure you get an audio system that’s designed and engineered to last much longer than your factory setup. Marine Certification The DB+ Series is IP55 rated so it’s dirt- & water- resistant. It also has been tested for salt-fog, UV and humidity. A big part of that marine certification also means that each speaker has a non-corrosive plastic grille, a polypropylene UV tolerant cone, waterproof inner and outer surrounds, and stainless steel mounting hardware, ensuring that it’s fully protected against the elements. Zero Tweeter Protrusion Each speaker in the DB+ Series features a shallow tweeter design to ensure your factory speaker grille re-installs with ease for a flush, seamless look. Polypropylene UV Tolerant Cone Enjoy the peace of mind knowing each speaker cone is built to last, whose clean and polished look won’t di