@daniloprates Couple of posts you might find useful:
This one seems to have solved itself, but worth checking all the steps they did:
https://forum.hise.audio/topic/9787/multi-output-not-working/16?_=1766750980618
This is a full guide from Jan this year, so should be fairly up to date:
https://forum.hise.audio/topic/11553/multi-output-tutorial







