Hmmm, I just explored the listenback function in TotalMix FX. As far as I get it, the listenback channel is 'hardwired' to the mains with no options (please enlighten me if it's not!).

I'd find it pretty handy if listenback could be activated in all output channels, just as it works with the talkback.

Why? Simple answer: if I got a session with multiple musicians/multiple phones mixes it would make communication easier.
Musicians might want to talk to one another as well without having to take off their phones (in this moment the engineer has no chance to talk to them anymore).

I know I can use TotalMix to create a setup that works just like this, i.e. by replacing the talkback by unmuting a mute group that sends control room + live room mics to the phones. This way the dim functionality is lost though...

Any tricks?