Bi amping my Vonschwikert VR4jrs

I want to bi amp my VR4jr's but have been told that i need perfectly matched amps to do this. Is it possible to run my larger amp 200wpc for the base units, and a smaller amp for the mids/tweets?
Celeste HT3 Amp
Sim Audio Moon p-5 pre amp
Vonschwikert VR4jr speakers
Project RM5