Autobat

If you buy this app don't do what I did. I picked up the app poked around and figured it was missing features and was dissatisfied and put the app down. After looking again at the screenshots I saw all the missing features and went digging and they are all there just hiding! My own fault but at least I found out before deleting the app. Once a menu is active you can click its icon again and be shown all the other available menus to change channel levels, dynamic volume settings and pretty much everything else. A great app that lets you tweak settings quickly and easily and most importantl