When profiling I have noticed a difference in the sound going into my amp from the KPA when compared with my guitar going straight into the amp. To get the KPA sound comparable I had to reduce clean sensitivity to Zero and have dist sensitivity round about 10 o'clock on the dial. I did a DI profile and was told it was overloading Kemper so I did it again, dialing back the volume knob once profiling started. I got quite a good profile this way. I'm going to try again doing it with a mic'd up amp and cab set up when the house is empty. I have found that I've been getting some good sounds but even after refining I'm not quite getting the sound of my mic'd up amp.
I have also found that the noise of the profiling is goddam awful loud whatever volume your amp is at, and whatever amp is being used. My deluxe is louder than my vibro champ but the profiling on both of them was quite decibelacious and I had to retreat to another room (will it be profiling my shutting the door?).