DS18 Marine Stereo w/AM/FM/BT- 1 Zone [MRX1]Marine Stereo w AM FM BT 1 Zone A marine head unit that can do it all! Compact, powerful, beautiful, and will stand up to the rigorous punishment that all marine and off road head units go through. This powerful receiver features all the functions you need like BT, RCA outputs including subwoofer, USB linking and charging while remaining waterproof. This is the key to enjoying loud music with the highest quality for your boat, ATV or any vehicle that