Scirocco Central

I have the RNS 310 in my rocco and finding all FM stations to be really quiet. Quite annoying having to turn it up really loud especially if listening from the iphone straight after and it becomes deafening if you forget to turn it down :p Anyone else have this? i know there is options in settings f...

I get this when playing music from the iphone.
Found to be different apps at times, i just start killing them off and suddenly it gets louder again!