I can't say for sure but it was probably this Roland GR-20:
http://www.roland.com/products/en/GR-20/


The fitness trainer asked me, "What kind of a squat are you accustomed to doing?" I said, "Diddly."


64 bit Win 11 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware