Hey guys, I'm trying to setup my speakers properly in my home studio and seen a tutorial on youtube using Voxengo Span to compare pink noise running through sonar, to that which is coming through your speakers.They seem to have the plugin on the master and a mic track picking up the audio and routed into an input on Voxengo Span In the tutorial they don't explain how to set it up and says its a bit tricky. I found a tutorial on how to do it in other DAW's but couldn't figure out how to do it in Sonar?? Here's the link of what he's doing  it starts at the 8:54 mark. Any help would be awesome thanks!

yes. put voxengo plugin on the master bus.
 
then add sends from the channels or busses that you want to compare to voxengo (e.g. send to SPAN (input 1))
 
inside voxengo reset the routing the "Default Stereo", then setup up the routing as shown in the screen shot (which monitors master bus vs. bass)
 
https://ibb.co/mQNxLk