Does my XREF 20 microphone require phantom power? Elijah Updated January 21, 2017 21:05 Follow Yes. It is a omnidirectional condenser microphone, so make sure the phantom power is switched on. In case you're having trouble with your microphone, please submit a request here. Related articles Can I use other microphones? Where can I get the calibration profile for my XREF 20 microphone? Can I use my own microphone calibration file? What sample rate should I be using for measurements? Can I use my license on multiple computers? Comments 0 comments Please sign in to leave a comment.