AUDIO
Basics:
Regardless of the specific soundboard, microphones, band, or PA system, a lot of the same principles can be applied to your specific context.
Signal Flow:
Here are some great resources to help you wrap your head around how sound gets from the mic, all the way to the speaker, and how that may be specifically implemented at your church.
Coming soon: SQ series signal flow
Coming soon: X32 series signal flow