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Originally Posted by James_Z
However, none of these have enough pre amp outputs. I have one 4 ch amp and one 2 ch amp so I need 3 pre amp outs. Is there any way around this?
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There are dozens of ways to wire up a system so yes, there are ways around this. It just depends on how you are using your amps to power your speakers. I've been contemplating putting in a 4 channel and 2 channel amp into my car but I would only need a single set of pre-amp outs. They would run into my electroic cross-over. The high pass output would go to channels 1 & 2 of the first amp which would run the tweeters in the doors. The bandpass output would go to channels 3 & 4 of the first amp which would run the mid-basses. The sub-output of the electronic cross-over would go to a 2 channel amp running a single sub(bridged) or a pair of subs (stereo).
I've looked at both SD card reader and USB capable head units. I like the USB functionality better. Yes, the SD cards are smaller but I can get a single 40GB USB drive and mount it in a the glove compartment. Just load everything I want on it and no need to keep track of little SD cards.
-Robert