Sony Xplod RM-X11M Marine Remote Commander allows you to keep your head unit in a dry location, while controlling it from the bridge or backseat. 2.5" dia. remote comes with a 16' cable for endless mounting possibilities. This Xplod RM-X11M remote has a unique easy-to-use splashproof design and is compatible with head units equipped with "remote in". Cutout: 2" dia.