Speaker Trouble

[princedylan101]

So I have a PolkAudio PA660 with 4 kenwood speakers in my car. My radio is a pioneer DEH-X6600BT. In my car only my front two speakers actually play music, the back two only play bass. I would like all of my speakers to play music. I've been messing with the stuff for awhile now and I can't figure anything out. Does anyone know how to fix this? Any help would be greatly appreciated.

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[bradl79 10+ year member]

U may have the channels 3 and 4 set on low pass filter, change it to full or hpf on ur amp also make sure the crossover settings are set properly to where u do want to play higher frequency also if ur head unit can control freq make sure u are nor cutting off the highs

 

[princedylan101]

U may have the channels 3 and 4 set on low pass filter, change it to full or hpf on ur amp also make sure the crossover settings are set properly to where u do want to play higher frequency also if ur head unit can control freq make sure u are nor cutting off the highs

I messed around with the amp and radio for a bit, and now I can just barely hear music in the rear speakers.

 

[bradl79 10+ year member]

Can u take a pick of ur amp where u set ur gains