Polk DB522 5.25” Car/Marine/Powersports Coaxial Speaker Pair
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.
Fit For Any Ride
Hundreds of thousands of 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.
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.
High Performance Factory Audio Upgrade for Car, Boat, Motorcycle, ATV
Marine Certified (IP56 rated): Dirt / Water Resistant, Tested for Salt-Fog, UV, Humidity
Universal “Drop-in” Fit with Zero Tweeter Protrusion
Driver Enclosure Type: Marine Certified
• (1) 5.25" (13.34 cm) d (Round) - Mid/Woofer
• (1) 0.75" (1.91 cm) d (Round) - Tweeter
Total Frequency Response: 55 Hz → 22,000 Hz
Nominal Impedance: 4 ohms
Sensitivity (1 watt @ 1 meter): 91 dB
Continuous Power Handling: 100W
Peak Power Handling: 300W
Diameter: 4.76" (12.09 cm)
Full-Range Mounting Depth - Top Mount: 1.74" (4.42 cm)
Full-Range Mounting Depth - Bottom Mount: 2.01" (5.11 cm)