5.25" Component Speaker System with Marine Certification
Upgrade your Car, Boat, Motorcycle, or ATV’s factory speaker set with the DB+ Series to get that legendary Polk sound wherever life takes you. You’ll get loud, crystal clear sound with effortless bass from a marine certified speaker that’s easy to install and built to last.
Marine certified (IP56 rated)
Dirt & water-resistant & tested for salt-fog, UV & humidity
Used in Automobile, Boats & ATVs
5.25" Dynamic Balance® polypropylene woofers
.75" tweeters
Universal "drop-in" fit with zero tweeter protrusion
Car audio enthusiasts love Polk’s DB+ Series for the rich, clean, full-range sound they provide automobiles, motorcycles, boats, and ATVs. Built marine tough and designed for a universal fit, DB+ series power the soundtrack of your ride wherever life takes you, on the road, the trail, the waves—you name it.
Marine Certified
The DB+ Series is IP56 rated so they are dirt- and water-resistant. They also have 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 they are fully protected against the elements.
Designed To Go The Extra Mile
All Polk loudspeakers rely on our patented process to eliminate electro-acoustic and mechanical issues before they become a part of the finished speaker and are also rigorously tested through Polk’s Klippel distortion analyzers. DB+ Series, in addition to their IP56 waterproof rating and Marine Certification feature waterproof surrounds that completely block dirt, liquid, and grime from entering the speaker housing—all designed to maximize longevity of the speaker.
Key Technologies
The DB Plus Speaker Series are Marine Certified to push the limits of durability, so you can take them anywhere. The speakers feature an IP56 waterproof rating and are tested for salt-fog, UV and humidity.
Proudly engineered and designed in Baltimore, Maryland, Polk products are crafted to meet high standards of quality, performance, and reliability, ensuring a premium audio experience that is the pinnacle of American Hi-Fi.
Polk’s exclusive lightweight Dynamic Balance® Polypropylene Cones deliver spectacular midrange clarity, punchy bass and high efficiency.
The DB Plus Speaker Series are Marine Certified to push the limits of durability, so you can take them anywhere. The speakers feature an IP56 waterproof rating and are tested for salt-fog, UV and humidity.
Proudly engineered and designed in Baltimore, Maryland, Polk products are crafted to meet high standards of quality, performance, and reliability, ensuring a premium audio experience that is the pinnacle of American Hi-Fi.
Polk’s exclusive lightweight Dynamic Balance® Polypropylene Cones deliver spectacular midrange clarity, punchy bass and high efficiency.
Compare Polk Car & Marine Speakers
This Product
DB5252
5.25" Component Speaker System with Marine Certification
The DB Plus Speaker Series are Marine Certified to push the limits of durability, so you can take them anywhere. The speakers feature an IP56 waterproof rating and are tested for salt-fog, UV and humidity.
Proudly engineered and designed in Baltimore, Maryland, Polk products are crafted to meet high standards of quality, performance, and reliability, ensuring a premium audio experience that is the pinnacle of American Hi-Fi.
Polk’s exclusive lightweight Dynamic Balance® Polypropylene Cones deliver spectacular midrange clarity, punchy bass and high efficiency.
