Strange Popping noise when I turn my music up

[kdc_619 10+ year member]

I've been noticing for the last week or so that whenever I turn up my music I hear a strange popping noise every so often. It's more frequent on certain songs ( bass heavy)

I have a sony WX-GT90BT double din deck , Hifonics zrx 1216 amp, and two 12 inch JBL subwoofers. I was thinking it's a bad ground perhaps. I had nowhere else to place the amp but under the seat so I grounded that to a bolt on the seat chassis, and the deck is grounded to a screw directly behind the amp. It's a kia soul so i didnt have much room to work with. just wanted a little more sound from the set up. any advice would be welcomed and appreciated. happy new years.

Also, the wiring harness for my car had a black ground wire (labeled) and the wiring harness for the Sony had a black ground wire with a terminal on it to screw in (which i screwed in to the screw that holds the back panel on dirextly behind the deck). Should I cut that terminal of and splice that wire to the labeled ground wire on the car wiring harness?

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[eldondo]

its your speaker thats making the noise.the clue it happens on bass heavy songs turn music down or the bass

 

[big scott]

yes splice wire.

what kind of popping?

like amps turns off and on?

or is the sub itself makeing noise?

 

[DonVanhugenstyn]

Eh it doesn't have to be his subwoofers.

It can be the coaxals/component mids shorting the speaker leads on his door panel. I've seen it before.

Also, since no one else has answered the question, definitely use the labeled ground the car has supplied for your stereo receiver. I like to spend the $4 and get the adapters that plug into the old wires and plug into the new stereo receiver, its just a lot cleaner and convenient if I want to remove the stereo receiver and put the original back if I was to sell the car.

Other than that theory look at your power wire at both ends, the ground at both ends. Make sure all paint is removed from the grounding location and that whatever secures the ground and power wires is still tight. A nut wont cut it, use a split lock washer, Its a circular washer with a angular cut that makes the washer bite into the metal of the mounting point and the metal of the nut so that the nut cant come loose on you.

Your speaker wires, both at the amp's and to the sub box. Are the wires tightened down, did you add banana terminals to the wires to the sub box? are they still secure?

And last, your rca wires. Not only just the rca wires but the actual connections on the stereo receiver and the amplifiers. are the connections loose and jiggly? they shouldn't move around. If they do the actual amp or stereo receiver is damaged at those connections. If they don't move and are tight are your rca's good? do they hold well? I noticed a very distinguishable difference in the build quality of Stinger power/ground wires and rca's going to my current Rockford Fosgate power/ground and rca's. The Rockford Fosgate kit I went to is a 1/0 to a distribution block, to 2 4awg wires for 2 amps. The old Stinger kit it replaced was "4awg" to 1 amp, but the Rockford 4awg is a lot thicker wire, and the Rockford rca's aren't only thicker but the connection ends look a lot better made, and hold to the connection 1000x better than the stinger rca's did. The Stinger rca's were real loose and easily pulled off by almost a heavy breeze, abit of a exaduration but basically you get the point. And for the price the Rockford wire kit was $15 more than the 1/0 stinger kit, and since the stinger 4awg was smaller than rockfords 4awg just get the better kit for a little more.