Allo Piano 2.1 Sub volume not linked to Master volume (Pi 4B + volumio 3 + Spotify )

Hi Chsims1,

All my setups are dual mono + kali - i do not like that subwoofer stuff but prefer decent speakers with bass chassis that are able to deliver deep bass without having some extra cabinet in the rooms. (nearly all speakers i use are made by Dynaudio btw.). So i did not have that issue.
Unfortunately i am short of time currently for doing tests on that, but there seems to be progress as i see here :-).

I am sure this could be a good thing for some small solutions to drive active - would be even more attractive to me for driving active 2 way speakers (with 4 amps) than that subwoofer stuff. But that is not designed by Allo - and tricking the firmware is only possible with an active TI account which.one get’s only as a commercial TI customer, to get their software… So for me it will stay at the Dual Mono solution that is doing very good for my use case.

Best Regards
Josef