38 Premiere Pro CC Keyboard shortcuts for faster editing.
http://www.avidil.net/38-keyboard-sho...
You use the Audio Gain command to adjust the gain level for one or more selected clips. The Audio Gain command is independent of the output level settings in the Audio Track Mixer and Timeline panels, but its value is combined with the track level for the final mix.
My Setting - (Default)
Default Setting – (G) (Windows)
Default Setting – (G) (Mac)