Intalled subs, somethings wrong wtf

[Haden 10+ year member]

I just installed my subs, went to test em out, and whenever the heavy bass starts on a tester one of them doesnt sound or look right. It starts to make this flapping noise and goes in and out further than the other one. I dont really know how to explain it except it sounds like shit. is this a common problem?

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[hemi=22s 10+ year member]

video?

 

[robertspangler 10+ year member]

sounds like they are out of phase.

 

[XaznKewLguyX 10+ year member]

check the impedence. happend to my friends w6's one was at 4 and the other was at 2

 

[Haden 10+ year member]

im new to this, how do i check the impedence?

 

[Trepkos 10+ year member]

Out Of Phase

Check the polarity.

Make sure the +'s and - 's coming from the subwoofer to the box terminal is right and from the box terminal to the amp is right as well.

 

[Haden 10+ year member]

its in a sealed box so i didnt check from eachsub to the terminal but the terminal n amp are wired the same, it only makes the flapping noise on the low notes

 

[brtnboarder3241 5,000+ posts]

did u have a shop install it for you?

 

[JT1979 10+ year member]

I'd check inside the enclosure. Ecspecially if someone else wired them inside.

 

[Haden 10+ year member]

yeah someone else made a custome enclosure for it and i installed itin my truck

 

[Haden 10+ year member]

so prretty much i wouldnt want to open the enclosure unless i HAD to

 

[XanderMoser 10+ year member]

Is there a terminal on the box for each sub, or one single terminal?

 

[Haden 10+ year member]

theres one single terminal

 

[Trepkos 10+ year member]

Impedence of the subwoofers?

Impedence of the amplifier?

Installer?

 

[Wkbdkid 10+ year member]

could be tinsel slap if its only on the low notes.