It works ! I have 8 different oscs with 4 voices. Really great pads ! 
It was quite hard to program with EP+ it but it is doable with an update, as I only use midi. 
I split 8 notes to 8 midi channel with midipal, channel 1-2 are for voice 1, 3-4 voice 2, etc…
I convert note on to CC Waveform 0, note off to CC Waveform Off, note numbers to CC coarse tune of OSC1 for even midi channels, OSC2 for odd channels…
