The sound from the Sena 10 and BT connection to my 2012 RT is horrible. I've tried the bass and treble all the down, I've tried every setting I can think of and even done the firmware upgrade to the Sena. Does anyone have a suggestion before I ditch these Senas and try something else for a BT connection? I don't really want to go to the expense of the Schubert helmets and comm systems which would run close to $2,400 for two.