DjPro + Mac + DDJ-SX Problem with master output

Hey guys, just trying to find a solution for my problem, I have the MacBook Pro + USB-C connection and in Djay Pro I can’t make work the pre-cueing and the master output, the sound goes alright with the macbook, but if I want to send the sound to master output doesn’t work. What should I put in this configs below?


Master : DDJ-SX Channel 1-2
Pre-cueing: DDJ-SX Channel 3-4