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I hooked up a 4 ch alpine amp MRP-F600. The back speakers play nice but the front speakers play very low. What could be the Problem?

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1)When you connected the amp to the head unit, did you run two pairs of RCA cables for front and rear reference or did you only run one set of RCA cables from the rear out to the amp?  2)If that's not the case and you did ran two sets, on your amp, swop the rear and front RCA cables. If the rears go quiet and the fronts are loud you now know the issue is either in the cables or how the head unit is set up. If the fronts are still quiet, check your Amp's gain, frequency and filter setter settings (if available). If those settings don't change anything you may have a faulty amp. 3)Check speaker connections, seems trivial, but you never know.
Message me back if nothing works and/or you get stuck.
Ciza

Posted on Nov 04, 2008

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parallel = pos to pos and neg to neg of the 2 speakres
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1 Answer

How many speakers can I use?


Hi,
This should work if channel 3 & 4 are bridged at 4 ohm.
channel 1 should be stable at 2ohm
channel 2 should be stable at 2 ohm
You can hook up the right side speakers together ( + with + and - with - ) . same thing with the left side. this will give you 2 ohm each channel. this will cause your amp to run hot (this might be tuff on the amp). It will give you right (2 speakers) and left ( 2 speakers ), no front and rear adjustement if you need to balance your sound. I think you should be better buying another amp for your sub and take your 4 channels for your 4 car speakers. this amp as a rca output that can feed the other amp ( sub amp ). it is possible to do it.

Good luck

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