Polk Ultramarine 7.7" Speakers - Black EPAHOUR3 Freshwater Transducer for use w/echo

Freshwater Transducer for use w/echo Fishfinder Series

Special bearings within the unit make rotation easy when launching or removing the watercraft from the water

It meets all outboard and personal watercraft manufacturer recommendations for use of NMMA TC-W3 oils in premix or oil-injected 2-stroke applications

and best performing chargers in the industry

Absorbs shock and reduces vibration

Polk Ultramarine 7.7" Speakers - Black EPAHOUR3 Freshwater Transducer for use w/echoUltramarine 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,