Polk Ultramarine 7.7" Speakers - Black Smart Display

Smart Display

Enables FishReveal SideScan for HDS PRO

It also increases safety due to less obstacles to trip over

P800 and finer DA scratches

Alpha I Gen II + Bravo

Polk Ultramarine 7.7" Speakers - Black Smart DisplayUltramarine 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. Also included is LED lighting built into the cone of the speaker. Underneath,