It’s a joke… https://xkcd.com/378/

Best match I could find: https://en.m.wikipedia.org/wiki/Public_address_system

We called it the PA. Back in the day when I was involved in organising and setting up parties and small concerts. (each about once a year). Not very accurate (looked it up just now) , but you might hear it referred to as such.

Yellow brick

Another update with some sound specific stuff and a firmware update fixed it! Not sure which one triggered the fix.

Yes, alsamixer (as does my main volume control app pavucontrol) does show volume as maxed out. It seems there’s something after that that messes with the volume. :(

We’ve even been doing that for thousands of years!

I’d read more of this.

Task failed successfully!

This might turn in to something worthwhile: https://smallandroidphone.com/