Where is the serial number on my Ensemble? Chris May 10, 2021 18:19 Updated The serial number for Ensemble can be found on the backside of the unit near the power plug, or on the box. Related articles Where is the serial number on my Duet? It says “No Apogee Systems Found” in Apogee Maestro or Control software and my interface is not recognized Ensemble (Firewire): Maestro 2 Device Settings Is my Mic 96k or JAM 96k compatible and able to work with Windows? Ensemble: Setting Clock Source Comments 0 comments Article is closed for comments.