Polk Ultramarine 6.6" Coaxial Speakers - White [UMS66WR]

Polk Ultramarine 6.6" Coaxial Speakers - White [UMS66WR]

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Ultramarine 6.6" Coaxial Speakers - White

The Polk UMS66W speaker uses air suspension technology to deliver 150 watts of power in a sleek, waterproof and UV/corrosion resistant package, perfect for life on the water. 


  • White housing and grille
  • Air Suspension Design
  • Cast Aluminum Basket
  • High Temp Voice coil
  • XKGlow LED Light Ring (Compatible with XKGlow Controller w/ App Support)
  • White Grille, Bridge, and Trim Ring
  • 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: 150w
  • Size: 6.6"
  • Mounting Style: Flush
  • QTY: Pair
  • Box Dimensions: 12"H x 12"W x 17"L WT: 8.75 lbs
  • UPC: 681787023057

Brochure (pdf)