Polk Ultramarine 8.8" Coaxial Speakers - Black [UMS88BR]

Polk Ultramarine 8.8" Coaxial Speakers - Black [UMS88BR]

  • $409.99
    Unit price per 
  • Save $90

Ultramarine 8.8" Coaxial Speakers - Black

The Polk UMS88B speaker uses air suspension technology to deliver 250 watts of power in a sleek, waterproof and UV/corrosion resistant package, perfect for life on the water. 


  • Black housing and grille
  • Air Suspension Design
  • Cast Aluminum Basket
  • High Temp Voice coil
  • XKGlow LED Light Ring (Compatible with XKGlow Controller w/ App Support)
  • Snap On Grille Installation Option
  • Silver Cone
  • Insulated Tinsel Leads

∗Sold in pairs

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.


  • Watts Max: 250w
  • Size: 8.8"
  • QTY: Pair
  • Mounting Style: Flush
  • Box Dimensions: 12"H x 12"W x 16"L WT: 20.75 lbs
  • UPC: 681787023125

Brochure (pdf)