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![Polk 10" Subwoofer Ultramarine - Silver [UMS108SR]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/12582/15027/74604XL__76502.1715742585.jpg?c=1 "Polk 10\" Subwoofer Ultramarine - Silver [UMS108SR]")
![Polk 10" Subwoofer Ultramarine - Silver [UMS108SR]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/12582/15028/74604BXL__77040.1715742586.jpg?c=1 "Polk 10\" Subwoofer Ultramarine - Silver [UMS108SR]")
Polk 10" Subwoofer Ultramarine - Silver [UMS108SR]
Polk AudioDEAN-74604$160.99RRP: $309.9910" 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... -
![Polk Audio NMEA 2000 Compatibility Kit [NMEA2K1]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/10468/12525/68627XL__67124.1715737812.jpg?c=1 "Polk Audio NMEA 2000 Compatibility Kit [NMEA2K1]")
Polk Audio NMEA 2000 Compatibility Kit [NMEA2K1]
Polk AudioDEAN-68627$187.99RRP: $249.99NMEA 2000 Compatibility Kit This NMEA 2000 Kit allows Polk's Ultra Marine Certified P1 and PA4A to be seamlessly added to your boat's onboard NMEA 2000 network, enabling control and two-way...