Saturn (swappolube gui creator) made made a reply to my message a few days ago, so there may be a GUI as soon as I explain my script to him.

@punto

Yes I am actually fiddling with the treble and bass, but not directly as they are both accessed through "alsa mixer switches."

@altarMeego
I honestly don't have bluetooth headsets to test, but yea there is room to make the bluetooth headsets louder. If your willing to try it (as It's really not that dangerous anyway) pm me.

@toxaris
Try restarting after applying the script...