Engine software as source on prime 4

Can engine software be used as source Via usb/link to play music from like pioneer/rekordbox?

No. If you want, vote for it to become a feature.

Is there already a feature request for this? I have been searching for it but didnt find any… maybe i overlooked…

https://denondjforum.com/t/laptop-pc-link-for-ep/13590?u=mufasa

There you go