Polyplanar Ms55 Compact Box Sub Woofer Shorepower - 30 AMP Other: Self-sealing removable paddle wheel

Other: Self-sealing removable paddle wheel insert

more reliable positioning

making it easy to check fluid levels

Mississippi Canyon

Upgrade kit allows installation of single or dual controllers into a thruster system with previous generation controllers

Polyplanar Ms55 Compact Box Sub Woofer Shorepower - 30 AMP Other: Self-sealing removable paddle wheelThe MS 55 subwoofer is a compact, high efficiency bass enclosure optimized for marine applications. It? s small size enables it to be easily mounted below seats, under the gunwale area, behind the instrument panel, or any convenient location. The MS 55 is a self contained bass unit requiring no cutting of panels or holes in the boat interior. It produces solid, deep bass extending down to 40Hz and is the perfect addition to any audio system. Features