Subwoofers
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![Polk 10" Subwoofer Ultramarine - White [UMS108WR]](https://cdn11.bigcommerce.com/s-u5h0phb1/images/stencil/350x350/products/64313/26890/74602XL__36564.1539399197.jpg?c=2 "Polk 10\" Subwoofer Ultramarine - White [UMS108WR]")
![Polk 10" Subwoofer Ultramarine - White [UMS108WR]](https://cdn11.bigcommerce.com/s-u5h0phb1/images/stencil/350x350/products/64313/34588/74602BXL__21087.1580254609.jpg?c=2 "Polk 10\" Subwoofer Ultramarine - White [UMS108WR]")
Polk 10" Subwoofer Ultramarine - White [UMS108WR]
Polk Audio
MSRP: $309.99$269.9910" Subwoofer Ultramarine - WhitePolk'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...MSRP: $309.99$269.99 -
![Polk 10" Subwoofer Ultramarine - Silver [UMS108SR]](https://cdn11.bigcommerce.com/s-u5h0phb1/images/stencil/350x350/products/64315/26892/74604XL__02192.1539399199.jpg?c=2 "Polk 10\" Subwoofer Ultramarine - Silver [UMS108SR]")
![Polk 10" Subwoofer Ultramarine - Silver [UMS108SR]](https://cdn11.bigcommerce.com/s-u5h0phb1/images/stencil/350x350/products/64315/34590/74604BXL__36868.1580254611.jpg?c=2 "Polk 10\" Subwoofer Ultramarine - Silver [UMS108SR]")
Polk 10" Subwoofer Ultramarine - Silver [UMS108SR]
Polk Audio
MSRP: $309.99$269.9910" 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...MSRP: $309.99$269.99