Working with multiple inputs

[bendragon]

Using OSX Snow Leopard.
I am trying to set up a vocoder in MULAB using a free VST I found on the net. Can MULAB support more than one input in use at once? I know I can select one audio input to monitor by right clicking the record button but I want to use more than one.
What I am trying to do is have my USB microphone in one mixer rack panned left that feeds into the vocoder mixer rack, I then have the Juno-106 input panned right in another mixer rack that also feeds into the vocoder rack. The vocoder then outputs in mono to the master.

Is there anyway I can do this in MULAB? I can easily record each track individually but I'd rather have both so I can record it live.