+1
OK, we are talking about FEATURE SUGGESTION here, not “how could I do that”.
But I think AMM is a good tool and I have had good experiences with it at our live performances
with 3 singers and 1 blues harp mic in the band
It responds quickly but smoothly. so singing 3 voices at the same time is no problem.
This is completely different from what the AMM manual says, that participants take turns speaking. but it works.
If you can use two normal inputs paired as ST input. I would try it that way and have a good feeling it would work.
The FEATURE SUGGESTION for me would be to add ST-IN, USB-IN and BT-In to AMM.