Polk Audio

Polk Audio UMS77BR Polk Ultramarine 7.7" Coaxial Speakers - Black

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SKU:
18040412
MPN:
ums77br
Availability:
Usually ships the same or next business day. In stock at our NJ warehouse.
Shipping:
Calculated at Checkout
Stock Update:
12/04/2025 06:27:47 PM PST
$239.80
Stock Update:
12/04/2025 06:27:47 PM PST

Description

This item is brand-new, factory sealed.

Ultramarine 7.7" Speakers - Black

Polk's Ultramarine speakers are designed to produce maximum sound in marine applications.  Featuring "Air Suspension" technology and high-temperature voice coils, the Ultramarine family of speakers will crank up to 200 watts.

These powerful 7.7" marine speakers have rugged, removable sport grilles that stand up to sunlight and moisture. 

Underneath, you'll find UV-treated silver polypropylene cones, durable surrounds, and cast aluminum baskets.  

Features:

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

Technical Specifications:

  • 1" Titanium dome tweeter
  • Sensitivity - 90.2dB
  • Max Power - 200W
  • 100 Watts RMS
  • Cut-out Dimensions - 6-1/4"
  • Mounting Depth - 3-1/6"

In the Box:

  • Two (2) - 2 way speakers
  • Two (2) Trim rings
  • Mounting hardware
  • Installation manual

∗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.

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Polk Audio UMS77BR Polk Ultramarine 7.7" Coaxial Speakers - Black
$239.80