Polk Ultramarine 7.7" Coaxial Speakers - White [UMS77WR]

Polk Ultramarine 7.7" Coaxial Speakers - White [UMS77WR]

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Ultramarine 7.7" Coaxial Speakers - White

The Polk UMS77W speaker uses air suspension technology to deliver 200 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: 200w
  • Size: 7.7"
  • QTY: Pair
  • Mounting Style: Flush
  • Box Dimensions: 11"H x 11"W x 16"L WT: 14.1 lbs
  • UPC: 681787023088

Brochure (pdf)