1) will the eventide Boxes ( H9 or factor box) have a fully programmable Midi PC map? so that , for example, by receiving PC 1 from the controller i'll get preset 79 on the eventide???
Yes, the H9 or Factor has a MIDI receive map which maps program changes it receives to a user selected preset or action (bypass, toggle tuner, etc).
2) Will the eventide box, AT THE SAME TIME, being able to send out a different PC to the line 6 M5?