so i didnt resist and bought it, i have still to extensively test it but i had some spare time this evening and i recorded a quick test.
one of the nicest feature is it have full stereo DUAL AMP and fx chain support!!!

https://soundcloud.com/christian-pucciarelli/cri-prova-tonestack-app-rea-consolidated

here it is.

part 1 is amp A
part 2 is amp B
part 3 is A+B in signal split (guitar splitted siognal feed both amps equally)
part 4 is A+B in frequency split mode (signal is split in 2 frequancy path belove and above a setpoint and then the low part fed 1 amp while the high part feed another)
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Sometime what you Want aint what you need.