The profiling automatically analyze and capture the dynamics of the whole amp rig chain including gain, distortion, tube compression, attack, mic, cab etc, and also the eq. It can give extremely accurate results and many ears have been fooled in A/B blind tests not knowing what is the real amp and what is the kemper profile. There are several tests and comparisons to be found on the internet. Also find more info here on the wikpa.org http://www.wikpa.org/Profiling_Tutorials
real amp vs kemper
[YOUTUBE]
Yes you can also create tone matched profiles from recorded tracks by putting any eq matching plugin you want in the signal chain. Here's a forum guide on how to make kemper profiles together with eq tone matching.
classic metal tones done with EQ matching This is one way to do it.
GUITAR -> KPA -> AMP -> CAB -> MIC -> DAW -> PLUGIN -> KPA Return.
Dream Theater petrucci, kemper profiling + eq tone matching A/B comparison
https://soundcloud.com/ivn-91/dream-theater-kemper-eq
Ozzy, Randy Rhoads Crazy Train, kemper profiler + tone match
https://soundcloud.com/okstrat/kemper-crazy-train
Boston - Peace of mind - backing, kemper profiler + tone match
https://soundcloud.com/okstrat/peace-of-mind-edit
Also, feel free to d/l the pdf from my sig. You'll find more stuff to read 
And now that Happykemper has you salivating, the big one for me is that it responds/ feels like the amp.
