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? Do Apogee products work with the iPad Pro with USB-C port? Where is the serial number on my Quartet? Guide for Getting Started with Apogee Gear Comments 0 comments Article is closed for comments.