I have the same problem with helix rack my presonus AI mixer is the audio device,unless i unplug my usb it has the latency from the usb being plugged in, in multi out on the helix, i have to go with XLR outs or line outs, i want to use both and usb too,even with the presonus as audio device,WTF!!! i want to be able to use my helix editor.Please HELP i dont want to open ticket in support, and this is the only post that describes my problem,thanks ps, its mixed in to the main outs on my board, driving me nuts!!!