What is an example of a low budget amplifier? Brand, model, cost. Particularly cost - how much we talking?

I am not sure if my receiver has pre-outs - I don't think so.

I did see a "world class" amp for about $200 mentioned in a high budget stereo magazine a few months back. Forget the name.

M22s, QS4s, M2 center, Hsu stf-1.