@thecrawdfather Your right, snakes don’t seem to hear as we do, more feel the vibrations. Just incase you wanted to read up on snakes hearing here are some links I saved.
http://www.anapsid.org/snakehearing.html 2014
https://www.google.com/amp/s/www.livescience.com/amp/32252-do-snakes-have-ears.html 2012
https://jeb.biologists.org/content/215/2/ii 2012
https://www.sciencedaily.com/releases/2008/02/080221105350.htm 2008
https://www.google.com/amp/s/phys.org/news/2008-05-snakes-stereo.amp 2008
Different snakes are used in different experiments but I think generally they are the same hearing wise. Although, @akirby91 depending on your set up/voice/acoustics/ many other facters, you could be producing frequencies that are triggering your snakes attention.