Polk Ultramarine 7.7" Speakers - White Latches This jacket is warm

This jacket is warm

Programmable speed alarm

Extra rugged for salt water durability

Manufacturer Part No : 588450-1

The HE-CBRGB controller is sold separately and required for RGB functionality

Polk Ultramarine 7.7" Speakers - White Latches This jacket is warmUltramarine 7. 7" Speakers White 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,