Abel danger

I'm not sure which line they are from. I don't think it specifies but ill check again. My biggest concern is the timbre issue. I'm a total noob at this but based on my research I know it's a problem if you mix speaker brands but I'm thinking I might be okay as long as all the speakers are klipsch. I just wanted to hear it from the experts.

Hey guys I'm considering purchasing the quintet system for my home and adding two floor speakers. The idea is to use two of the quintet speakers as front high speakers for a 7.1 setup as I don't really have a good layout for back surround speakers. Can this be done and still achieve consistent timbre/ voice match? If so which model/size floor speakers do you suggest? I already have a klipsch 350 watt sub. Thanks.