Adjust audio volume level with CLI omxplayer - Raspberry Pi

Question

I have a bash script that plays .mp3 files on my Raspberry Pi via omxplayer. But can not control the local (earphone) audio volume with the GUI. Is there a comm

Answer 1

I am not sure how to adjust the volume level with a command. But when using the omxplayer CLI, just press - or + to turn the volume up or down.