Comentário oficial
Hello Brandon,
You might have failed updating the firmware.
Please click the red-circled update instructions to download the document.
Then, make sure to follow all the steps in the update guide.
https://www.pioneerdj.com/en/support/software/ddj-rzx/

1. First, connect the USB A of RZX and your Mac.
2. Be sure to press [SHIFT] and [SYNC] button while turning the power switch on to launch the update mode before updating the firmware.
Thanks,
CRM, Pioneer DJ