WATERPROOF MARINE AUDIO SYSTEMS The MS-55 subwoofer is a compact, high efficiency bass enclosure optimized for ma- rine 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. • Dual Voicecoil, high-excursion, • High density, UV stable enclosure • Water resistant • Bass-reflex, high-efficiency acoustic design • Side vented output ports • Compact size and molded-in mounts provide for convenient installation nearly anywhere