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If i were to use the front channel off of a RF punch amp to drive the front and rear speakers it would give me a load at 2 ohms . I know i will lose my fader so is there another way i could set my front to rear levels ? Or should i just run the rear off of the head unit ? I would rather amplify all my speakers but i will only be using a 4 channel amp so the rears will drive the sub and i am left with the front output to do the rest . What do you guys recommend ? Thanks , Rabby Dabby .
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What kinda vehicle? If it's a truck or a short SUV: Bronco II or a Jeep (wrangler) then you could do it with no loss of fade, since the front and back are so close.
Even some compact cars could probably let you get away with it. I think you would see a bigger difference if you lost your balance options than the fade capabilities. Most of the information, now-a-days, tends to be played up front in the installs I've seen. So, if you wanted to run a pair of co-axials in the rear off of the deck, you probably could and not offend anyone with feeling that they didn't get adequate sound.
Either option sounds good, but see how they sound in 2 Ohm stereo first (IMO, that's the first try). If you don't like it, wire it with the amp to the fronts and HU to the rears. Make sure you put bass-blockers on the rears so you don't punish them with low-end material that they can't handle.
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