It all depends on what you want to spend . . .

Personally, if I had those three companies to choose from, I would go with MTX amps and Infinity speakers

Get a mono block class D for the subs.

You could do a few different things for powering the speakers
1. Get a 4 channel amp for fronts and rears
2. Get three 2 channel amps (two for bi-amping the components and the third for the rears).
3. Get 6 mono amps - one amp per speaker.

How big or crazy do you want to go?

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