Where is the serial number on my JAM? Chris May 10, 2021 18:39 Updated The serial number for JAM can be found on the backside of the unit next to a bar-code. Related articles JAM - I can't hear my guitar! Who should update the firmware on their JAM? Tips for using Apogee devices with Zoom on iPad or iPhone Where is the serial number on my Quartet? Is JAM compatible with iPad Mini? Comments 0 comments Article is closed for comments.