I have Alpine PDX-5 amplifier that I am trying to hook up to my stock radio. It is a five channel amp. The amp has three different inputs. I can't figure out the best way to hook this up to the radio without replacing the HU.I know PAC audio makes a couple different pieces to use but not sure which. Any help would be appreciated thanks
5-channel amp on stock radio?
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Designflaw
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Buy a Signal processor
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Marc1982443
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Depends. The JL amp I have can accept 2 inputs but play all 5 channels. Does the alpine do that also? You just need a line converter really.
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badblackram06
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Yeah that amp is a 4 channel (75w x4) with a mono (300wx1) channel. What sub/speakers are you running? Usually on a stock radio you'll need one of those speaker wire to RCA cable converters and maybe some splitters to run 2 sets of RCA cables to the amp to power a sub and the door speakers.
RAM LI
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Running 4- JLB GTO938 in the doors and a 10" kicker. They are all out of my old truck but I had an aftermarket head unit in that. I was thinking of using one of the line output converters but was not sure if using all those splitters would be a good idea
badblackram06
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The splitters work great. I've used them and there is NO noticeable difference in sound quality.
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kkreit01
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It depends on "WHICH" stock radio? If it's an Alpine (OE-amped) system, you'll need an input summing device/or costly processor (LC6I and above). The PAC device will also work, but you lose all control of your sound (no bass/treble, etc.). If you have the base OE radio (w/o amp), you can get buy with a cheap LOC, and use RCA splitters if the amp requires all inputs.
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