This unit is great. I have only tried it on a stereo source. Everything becomes more defined in the mix. Kick, snare becomes tighter and bass is rounder. The stereo image is so much better. L/R guitars move more L/R and separate themself better from the DAW L/R. Everything is more 3D. I have compared it against the nVelope VST. Hardware sounds bigger and louder even with volume matching. I can only imagine the difference once I run each source separately thru this unit. Highly recommended.