Polk Ultramarine 7.7" Speakers - Black EPAHOUR3 It is compatible with rigid

It is compatible with rigid holding tanks up to 36 inches deep

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

Absorbs shock and reduces vibration

Polk Ultramarine 7.7" Speakers - Black EPAHOUR3 It is compatible with rigidUltramarine 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,