Serial Number for the Rack Mixers can be found in the following places:
- On the outside of the box it came in
- On the registration card in the bag that came with the mixer
- On the back of the mixer above the barcode
- In Universal Control Browser menu.
If registering your product is unsuccessful, visit your https://my.presonus.com
account, click on the Support menu and click the Orange button to "Create A Ticket" so a Tech Support agent can assist.