Speakers dont sound right. No Vocal?

[Tatsuro421]

Hello, I currently installed a double din kit on a G35. My system set up is from a Pioneer AVH-4100 to a Phoenix Gold r9:0:5 amp. Mb Quartz P series in the front Polk in the back, and two 10 inch PG in the trunk. Power wires are connected with 4 guage with a 1.5F capacitor. The problem I am having is the vocal from the tweeters do not sound right. Everything from the high can be heard clearly, but some how the vocal from the person singing the song is low and barely audible. I checked my wirings and have no idea what is causing this. Can some tell me what I should be looking for?

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[Atimm693 10+ year member]

First off, drop and sell the cap. It isn't going to help anything.

My guess is you have a crossover somewhere that is set wrong.

Amp settings as follows (Baselines(

Bass Boost Off

Front Speakers: HPF at around 80htz, same for rears. I'm not familiar with the Quarts', but if they are components check the passive crossover for the settings.

Subs should be set with a LPF at around 60-80hz

Adjust the gains low until you figure out your problems.