Denon DJ promised real-time stem separation to Prime 4+ owners over a year ago now, and…it’s still not here. But in the meantime, they’ve announced something new; Stems which you can prepare in their Engine desktop software, and then export with your files to use standalone – and not just with the Prime 4+, but with all Engine OS hardware to date. Mojaxx checks out this unique workflow on the new episode of Beatsource Tech, so head over to YouTube now, to watch the full video.