Wave action and engine noise can be tiring. Bose makes noise canceling headphones. Microphones in the earcups monitor outside sounds and the driver within the earcup creates a correction signal that opposes the effect of the outside noise. Can operate while listening to music.
Protect sensitive electronics from voltage surges and EMI interference especially designed for the marine environment.
Comparison of XM and Sirius satellite radio services, programming, and hardware, with a look at the future of DSAR. 4 pages with photos and vendor contacts.