Where can I get the calibration profile for my XREF 20 microphone? Karl Steinmanis Updated June 09, 2017 13:08 Follow Visit our downloads page, select your OS and go to the bottom of the page. Enter the microphone's serial number into the microphone ID field and click "Download". Related articles Can I use other microphones? Can I use my own microphone calibration file? Does my XREF 20 microphone require phantom power? How do I hold the microphone during measurements? How to uninstall Sonarworks software? Comments 0 comments Please sign in to leave a comment.