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Polk Audio  |  Barcode: 681787023040

Polk 10" Subwoofer Ultramarine - Silver [UMS108SR] 17.4 lb

$269.99 $309.99
Shipping calculated at checkout.

Care information

Important! Please ensure to inspect this item before making your purchase. We're here to assist you anytime. Feel free to reach out if you have any questions or concerns; we're more than happy to help! Additionally, we offer financing options to make your purchase easier.

Delivery and Shipping

We're pleased to offer free shipping on all orders within the US. However, for oversize items, an additional shipping fee may apply. We strive to ensure timely and secure delivery of your products, partnering with top shipping services. For any inquiries regarding our shipping policy, feel free to contact our customer service team. Thank you for choosing BGA Marine!





10" Subwoofer Ultramarine - Silver

Polk'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 is made to kick out deep bass under challenging conditions.  Its mica-reinforced polypropylene cone handles up to 350 watts RMS, and the stiffness of the cast aluminum basket gives you the clean, hard-hitting performance you expect from Polk.  This sub's air-suspension design makes it suitable for installation in any panel of your boat without the need for an enclosure.  

Features:

  • Air Suspension Design
  • Cast Aluminum Basket
  • High Temp Voice coil
  • Snap On Grille Installation Option

Technical Specifications:

  • Sensitivity - 89.2dB
  • Max Power - 700W
  • 350 Watts RMS
  • Cut-out Dimensions - 8.8"
  • Mounting Depth - 5.71"

In the Box:

  • One (1) Subwoofer
  • Grille
  • Mounting hardware
  • Installation manual

∗Sold as an Individual 

WarningWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Specifications:

  • QTY: Single
  • Mounting Style: Flush
  • Watts Max: 700w
  • Cutout Size: 8.8"
  • Watts RMS: 350w
  • Box Dimensions: 11"H x 13"W x 14"L WT: 17.4 lbs
  • UPC: 681787023040

Brochure (pdf)

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Polk Audio

Polk 10" Subwoofer Ultramarine - Silver [UMS108SR]

$269.99 $309.99

10" Subwoofer Ultramarine - Silver

Polk'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 is made to kick out deep bass under challenging conditions.  Its mica-reinforced polypropylene cone handles up to 350 watts RMS, and the stiffness of the cast aluminum basket gives you the clean, hard-hitting performance you expect from Polk.  This sub's air-suspension design makes it suitable for installation in any panel of your boat without the need for an enclosure.  

Features:

Technical Specifications:

In the Box:

∗Sold as an Individual 

WarningWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Specifications:


Brochure (pdf)
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