The overhead and room mics in the Levels section of the Drums tab have default Mixer routings, which you can change:
-
In the Levels section of the Drums tab, click the “Routed to” pop-up menu for the kit piece you want to reroute, then choose the channel that you want to route the mic to. If you choose “New,” Modern and Massive 2 creates a new channel in the Mixer called Multi [channel number].