I had ordered a miniDSP 8x12 v2 but just cancelled it before it shipped.
I think I may have just found and nice 8 channel and DSP all in one.
Problems solved!
Helix V Eight DSP MK2
https://www.audiotec-fischer.de/en/helix/amplifiers/v-eight-dsp-mk2
Now I can run a proper 3way active upfront...