Low profile power amp suggestions?

I am currently running a bryston 6b using an onkyo integrated amp to control the 6b and power the surround speakers. I have been looking at proper HT control units, I haven't settled on anything yet. In the meantime I would like to pickup a few low profile power amps to stack for the surround speakers. I considered outlaw 200 or 2200, the 200 watts is about where i want to be and the prices are very attractive but they are mono amps, that could get to be a fair size stack? I'm looking for low profile 200 watt power amps with xlr inputs. I looked a bryston 3b's but they are quite large and very costly to be running surrounds. I did see 3 Amos advertised along the gulf side of florida a month or 2 ago but I lost the link and haven't been able to find it again, not sure which site I found them on? Any suggestions or recommendations  would be appreciated. I would like 3 or preferably 4 to start with as I'm considering atmos HT control units. Thank you.