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Metra Double

About increasing volts on a 2v headunit to 4v on G35.?

I have a g35 2003, recently i did a metra dashkit replacement, sinCe my ac/stereo was freezing.
The problem is solved, i installed a 2v pioneer double din navigation headunit AVIC-Bt310.

The new pROblem is that the output is very low even when volume is on high.
My system is a bose in my car, now with a pioneer headunit.

Question: Can i through some modfication make the preamp 4v, or do something after the preamp which will give power to the speakers like a 4v headunit would do?

NEED MORE VOLUME.

THANKS

the Pioneer AVIC-U310BT puts out 14w RMS x 4 channels...perhaps your original bose head unit had a higher wattage RMS, and this head unit is simply underpowering it.

your best bet would be to get a class AB amp to amplify the speakers. this, however, will not give you the ability to put the input gain past 2v, unless you want to risk distortion (preamp outputs, like 2v and 4v, are meant for if your installing an aftermarket amp, the higher the preamp voltage, the louder you can set your input gain without having distortion)

btw, where did you get the dashkit? i have a friend who's been looking for one for his car

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