I'm looking for a 5-channel amp to go in my Infiniti G35 Sedan. It has to be able to accept differential/balanced RCA inputs.

I have looked at the Kicker ZX700.5 and they state that it accepts differential inputs but the MBQuart Premium PAB5400 manual doesn't mention differential or balanced inputs.

Regardless, which one is a better amp? I may end up with the Kicker just because it is guaranteed to work with my source audio.

i would go with the kicker.

Out of the two I would say the kicker, however I do know that the eD 5 channel is pretty solid, Portimex might be able to talk to you a little more about it, I would PM him.

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RD Audio =|= Sundown Audio =|= Elevation Audio =|= UltraLinear

So is just over $200 including shipping a good deal? There is a glutton of these things on ebay right now.

200$ is a good price
i have 3 zx2500.1-kickers 2 working 1 in need of rebuild.
and im more then happy with them.

Xraycat - Did you get the Kicker? I'm looking at those refurbs on eBay for $210 delivered. Plus right now I can get 6% eBay bucks credit on purchases thru 6/29, so even better! Can get a 3 yr warranty from Square Trade for cheap. I assume that it will be plenty to run a 10" sub and whatever I end up replacing in the front of my 07 G35 sedan.

Also, what did you replace your front speakers with?