The MR45D is one of the MR45 series. MR45D is an AM/FM stereo but without CD player.  MR45D is a stereo receiver designed specifically for the marine environment with adjustable backlight display. Front and Back AUX-Input available for your MP3 music device, iPod® Input available for your iPod®/iPhone® devices and USB Input available to play your music from a USB Flash drive. Wired and Wireless Remotes available (sold separately)., MRR2 wireless remote compatible (sold separately), MR45R wired remote compatible (sold separately), , ,

Provide protection to the back side of the speakers, behind a bulkhead or wall. Covers wire connections and protects the speakers cones , , , , ,