Subwoofers

10" Subwoofer Ultramarine - SilverPolk's marine subwoofers have always been known for intelligent design, impressive sound, and weather resistance. The UMS108 sub continues this tradition with solid construction that stands up to the elements.The UMS108...

Signature Series 3i 10" Classic Subwoofer - White The Signature Series 3i range of premium marine speakers, subwoofers, wake tower speakers, and tweeters delivers crystal-clear audio and withstands marine conditions like never before.  With an enhanced...