(Windows) How do I stream the DJ Perform screen on OBS when using DDJ-FLX4 and rekordbox?

• rekordbox Preferences settings

Open [Audio]tab. For [Audio], select DDJ-FLX4 WASAPI.
Add a checkmark to [Output audio from the computer's built-in speakers and your DJ equipment (PC MASTER OUT).].

For [Output channels], select DDJ-FLX4 WASAPI.

• OBS settings

Click File > Settings > Audio.
Select Default for Desktop Audio and Disabled for all the items under Mic/Auxiliary Audio.

Under Advanced Audio Properties, Desktop audio > Audio Monitoring, select Monitor and Output.

 

Note: The OBS streaming operation with rekordbox is not guaranteed for all operating systems.