Thanks for the feedback guys, but I'd love someone with a stock FR-S radio to chime in as the BeSpoke behaves very differently than the stock radio. Tried it this morning at the dealer with a 2014 unit with BeSpoke and the menus were quite different, and the radio behaved as expected (ie: could switch back and forth between the two sources on the fly).
Oh, the other annoyance I have with my radio is that I have to pick the source everytime, it doesn't remember the last source used. Not sure that's normal either.
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ImBatman, you're right, these cars are noisy, but I kind of like them, the exhaust note on the 2015 is awesome. But on the highway the car does seem louder than my WRX back home, which I wouldn't have thought since Subaru's aren't known to be quiet, but hey, this car is technically a Subie as well.