Though i have not tried this approach i think it should work if you are just sending a line out / monitor out from your XDJ-RX into your laptop and making Zoom ( web conf tool ) to use the computer audio / mic input .
Not sure how good the quality will be yet better than picking up from an external mic.
Alternatively , you can also use Rekordbox and stream to youtube or other stream services which happens through the laptop itself and can give you good quality audio .
Hope it helps .
