Originally Posted by
tonycarver
we had a zumo GPS installed through the dealership. it has an option to add an S/D card for tunes. we downloaded a bunch of tunes 300+ set the GPS volume settings at ALMOST max for the "media" option and i can tell you, at 120KPH (70-80mph for or southern riders) its damn loud. by using the volume leveling(?) option CAS i think it is, turns itself down at the stoplights and cranks it self back up when you get going again. no fussing with adding amplifiers or new speakers. it has to be at least 3 times louder than the radio. just MHO.