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.
MM1 Series have earned an Ultra-Marine Certified IP56 rating with their non-corrosive aluminum grilles and fiberglass reinforced ABS baskets, epoxy coated crossovers, water-proof inner and outer surrounds, weep holes for proper drainage and titanium-plated cones—that’s all been salt-fog, UV, and humidity tested.
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. MM1 Series, in addition to their IP56 waterproof rating and Ultra-Marine Certification feature Santoprene S Roll inner and outer surrounds to eliminate water, dirt and dust from entering the speaker housing.
Bring Premium sound on the road or water
DB PLUS SERIES
Polk’s Signature Sound: Real American Hi-Fi
The best sound for your money
50 years, hundreds of thousands of speakers, and countless awards later, we are still focused on our mission of giving you the absolute best sound for your money. Great Sound for All.