Multiple Mics for Profiling. Interface Summed Signal out = Line Level. OK for Return input?

hi guys,

first time i am doing a multiple mic setup to create a profil.

I mix the signal with my Fireface800 and send the summed

signal to a Mono bus and out to the Kempers Return input.

The Signal coming from my interface is Line Level.

Would you recomend an Re-amp Box (or DI box in reverse which works)

to make the Summed Mic Line Level signal a normal Microphone

impedance so the kemper thinks i am plugin the microphone straight

into the kemper?

i know i can adjust the return Line level to make it not clip but

to be 1000% accurate it is not the same impedance.

on the other hand... a microhpone is not that Hi-z than

an Guitar or sth. so i guess the restult is perfectly fine

without a impedance correction between Interfae Line-out

and Kemper Return in.

thanks guys.

i did several Profiles and the kemper amp set the return level by itself

to keep the signal from overdrving i guess.

But actually its kinda wrong impedance wise

to feed a Line signal from a interface into the microphone

return input of the kemper.

maybe the kemper Staff can bring clear things up ?

This should be common knowledge ... because

most people are tracking several mics i guess.

why is nobody worried about that