Welcome to our store Learn more

New collections added! Learn more

Polk Audio  |  SKU: TMS-74604

Polk 10" Subwoofer Ultramarine - Silver [UMS108SR]

¥47,900 ¥54,900
Shipping calculated at checkout.


Care information

Please follow the manufacturer’s care recommendations as provided in the product manual.

Delivery and Shipping

All orders placed by 4pm EST will ship the same day as long as everything requested is currently in stock.

Shipping would be either via UPS, Canada Post or USPS.

All orders outside the United States may incur Custom charges of your country.

" Gear up, Dive In, Discover More. "

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)

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Help and Advice

Need a few things clearing up? Check out our Help and Advice section.

Polk Audio

Polk 10" Subwoofer Ultramarine - Silver [UMS108SR]

¥47,900 ¥54,900

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)
View product