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@itsjustme 

 You have to remove the jumpers if you're using more than one amp but, you can use one amp for each speaker, it called vertical bi- amping.

Vertical bi-amping huh.

Ok, ok it can be called whatever you want. You can call it a buffalo.  but its just a regular stereo amp in two mono boxes.  So there is no technical difference from normal amps.  If you use the two channels in parallel ... well, there are issues with that that i would avoid.  Too complex to go into. Actually just read what i wrote above and turn it down from 11 to 2.

Any kind of bi- amping is a waste of time without a line level crossover. 

Excuse my ignorance but what is a line level crossover?

A line level crossover is a crossover (usually active meaning it is plugged into a power source) that is connected between the preamp and amp and splits the signal there instead of the crossover inside the speakers, it also matches the different levels that two or more different amps may have, then each amp only has to amplify the frequencies sent to it.