I'd go with something like this:

AXAMP 10002
AXAMP 12502
AXAMP 15002

where the last digit will be the number of channels.

M80 v3, 2 x Emotiva UPA-1 Monoblocks, XPA-5, UMC-1 PrePro
Pro-Ject RPM Genie, Carver C2 Phono Preamp