> # mixerctl -a
> outputs.master=255,255
> outputs.master.mute=off
> outputs.mono=255
> outputs.mono.mute=off
> outputs.mono.source=mixerout

what's another options possible for that?

> outputs.headphones=255,255
> outputs.headphones.mute=off
> record.volume=255,255
> record.volume.mute=off
> record.mic=0
> record.mic.mute=off
> outputs.loudness=off

?? maybe this on