Behringer X32 Quick Start Manual page 15

Setting up P16
1. Setup the P16 outputs by pressing the ROUTING button and paging over to "P16 Out".
2. Select an output channel and then select a signal source.
3. By default, direct outputs from channels 1-16 are assigned.
4. If you are working with more than 16 channels, you can utilize any of your 16 mix busses to create sub-groups which can
also be assigned to P16 channels.
5. Other potential sources: Main LRC, Matrix Mixers, Monitor Bus, AUX & FX Return Direct Out, and Talkback.