Netflix, state of the art?

[spikerguy]

Though maybe obvious, I had to try ^ ^
The Alsamixer DAC audio output of Chromium-armhf doesn't route to a connected bluetooth headset either.
I can easily have Chromium play spotify through the speakers while listening to a youtube from firefox through a headset.
It's not a bug, it's a feature!

LOL!!!
Yes a feature for you :p 

Someone on Manjaro forum have advices a fix for Volume controller to be used in Chromium-Docker 
Here is the post
DE Volume Control Fix

I am testing it and then will see how I can get it included in the package so users can just upgrade the package to get it fixed.