Polk Boat Accessories - Electronics - MM1040UM Review Video

Review of Polk Hunting and Fishing MM1040UM

Today we're going to take a look at the Polk Audio 10-inch Ultramarine Subwoofer. Now this is designed to withstand use outdoors in a marine environment. It uses rustproof stainless steel input terminals, it does pass the rigorous 600 hours of salt, fog and UV testing. It has a lightweight rigid carbon composite basket. It does use a dynamic balanced driver technology for pure distortion-free… see more >