Polk Ultramarine 6.6" Speakers - Black Buoys Unique cover design Stays secure

Unique cover design Stays secure while underway or trailered

XNT 9 QB 90

Installs in 15 minutes with stainless hardware included

To be used when ample room is required

Power Pack

Polk Ultramarine 6.6" Speakers - Black Buoys Unique cover design Stays secureUltramarine 6. 6" 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 150 watts. These powerful 6. 6" 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,