MS-RA210 Stereo with AMFMBTSiriusXM - 2 Zones with DSP The MS-RA210 is a compact marine stereo designed to deliver a quality audio entertainment experience out on the water. The MS-RA210 features Fusions new-look design aesthetics and revolutionary Digital Signal Processing technology for optimized listening in any environment. The sleek design with the option of either mounting the stereo with a conventional flush finish or integrating it flat ensures a visually appealing finish to your dash, m