Ultra-marine certification
MM1 speakers sport non-corrosive aluminum grilles, fiberglass reinforced ABS baskets, epoxy coated crossovers, waterproof surrounds, proper drainage and titanium-plated cones for an Ultra-Marine Certified IP56 rating that’s been salt-fog, UV, and humidity tested.
60 days risk-free
Try any product for 60 days and if you don’t love it, return it for a full refund. We’ll even pay for shipping.
Free Shipping
Free and fast shipping on all products, direct from Polk.
50 Year Legacy
For over 50 years we've been providing exceptional sound experiences.
Engineered in Baltimore
We're proud to be part of Baltimore for over five decades.