No Headphone or Audio Output From DDJ-RR in Rekordbox!

Hi,

I'm trying to set up a DDJ-RR that I received from a friend and can't hear any audio from the master or headphone outputs. None of the audio outputs from the controller are working. I'm running Big Sur OS on my Mac and have downloaded the latest version of Rekordbox as well as the newest drivers/firmware from the Pioneer website. Not sure what else to do because I don't see the name DDJ-RR pop up anywhere in the audio settings in Rekordbox. 

Would appreciate any help/or advice on what to do next. Thanks!