Rear speakers perform poorly

[miiser]

Originally Posted by Fluxtasy

My car did come with the Toyota single din OEM Fujitsu headunit and was thinking to upgrade the speakers too. The audio guys adviced me to upgrade the headunit first as the power output of the OEM unit isn't very good and to upgrade the speakers later if I'm still not satisfied. Just by switching to a single din Kenwood has improved the sound quality even with stock speakers.

I agree with you that’s why I am planning to change the headunit soon.
But the speakers I have right now does not require more output than the factory speakers I had before. And my problem is really weird because only the rear speakers are weak. The fronts are totally fine. If it was an output issue I guess that the front speakers would perform bad too.
And even if I change the balance and choose only the rear speakers to send the power, they still perform bad.

Please Correct me if I am wrong


(Btw I looking to buy the pioneer fh-x730bt or the jvc kw-db93bt as a replacement. If someone of you has experience with one of those let me know your opinions.)


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[vivalaflam]

Originally Posted by miiser

I agree with you that’s why I am planning to change the headunit soon.
But the speakers I have right now does not require more output than the factory speakers I had before. And my problem is really weird because only the rear speakers are weak. The fronts are totally fine. If it was an output issue I guess that the front speakers would perform bad too.
And even if I change the balance and choose only the rear speakers to send the power, they still perform bad.

Please Correct me if I am wrong


(Btw I looking to buy the pioneer fh-x730bt or the jvc kw-db93bt as a replacement. If someone of you has experience with one of those let me know your opinions.)


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If you want, I have the 1DIN install kit available, in case you want it fast, since we live close to each other.
Have you tried checking the balance from the headunit? Adjust it to 0, maybe it's at F5. (Front lvl 5). If it's already at 0, try adjusting it to R3 or R4 just to balance out all speakers. Another problem might be that they hooked up the rear speakers in the same output from the back of the unit (either parallel or in series to the front speakers). Check this as well. Make sure the new wiring hooks up to the rear output on the back of the headunit. Cheers

[miiser]

Originally Posted by vivalaflam

If you want, I have the 1DIN install kit available, in case you want it fast, since we live close to each other.

Have you tried checking the balance from the headunit? Adjust it to 0, maybe it's at F5. (Front lvl 5). If it's already at 0, try adjusting it to R3 or R4 just to balance out all speakers. Another problem might be that they hooked up the rear speakers in the same output from the back of the unit (either parallel or in series to the front speakers). Check this as well. Make sure the new wiring hooks up to the rear output on the back of the headunit. Cheers

As I wrote before the balance is set right.
Also the wiring is right too. The rear speakers are plugged to the rear wire hardness and the front speakers to their front wiring harness. As it came from the factory. No parallel or anything else.

The thing is that no matter what I try, no matter what settings I choose the rear speakers are underpowered. I only hear whistles.
My best guess is that the headunit is toast and it can’t spread the power output evenly...


I will let you know if I need something from the dash kit.


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