Hiss coming from Speakers?

[Sierra08! 10+ year member]

After I installed my JL 4 channel, I noticed hiss coming from my Front right and rear right, I have a 4 channel RCA also, I put on pause and used each RCA on each channel, and it seems like it is bad RCA's? have not got around to changing them yet, any other things it might be

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[Horsemanwill 10+ year member]

switch the rcas to the left side see if th noise changes sides if so then try new rcas if not then it's not hte rcas

 

[dpom 10+ year member]

when you accelerate does it increase the hiss? cause for some reason mine is doing that lol... idk what it is.

 

[Fusion_FREAK 10+ year member]

It doesn't like you.

 

[Horsemanwill 10+ year member]

that's usually called engine noise

and there's a whole lota ways to trouble shoot that

 

[dpom 10+ year member]

is their a guide on it somewhere?

 

[Horsemanwill 10+ year member]

i'm sure somewhere on the net there is but if you search the forum here i've told quite a few ppl how to find the problem.

 

[GearGuy2001 10+ year member]

If you switch RCA sides and the sound switches then its your RCAs, if you unplug your RCAs (from your amp) and the sound continues then its either your amp or something upstream of it. I had a similar problem, turns out its my amp (HU volume=0 you can hear a hiss come out of the speakers but it turns off with the headunit and it still occurs with the RCAs unplugged from the amp)

 

[Sierra08! 10+ year member]

This is not engine noise, I unplug all and its fine, I so far figured out that it is the front RCA's either the RCA itself or the HU (Kenwood DNX8120) dont think its the HU, bc the rear RCA's work fine in the front, im thinking its the amp, Ill be switching the amp this weekend to see if that help, I have one of those 1 wire 4 Channel RCA, could it be possible that only 2 of them are bad, I tried everything else

 

[Horsemanwill 10+ year member]

first we check all the wires especially the ground make sure they are good grounds. then we need to locate if the whine is from the amp the wires or the deck. if your grounds are good then we go to the amp take out the rcas, is the noise still present? if you have a portable cd player get you a 3.5 to rca adaptor and plug it into the amp is the noise still present? if not then it's something from rca up to deck. so get you a long set of rca's and run it from deck to amp but not installed just over the carpet. is the noise still there? if yes then it's in your deck.

 

[Sierra08! 10+ year member]

Did everything you guys in here told me too, I think its the amp, every other thing I tried there was little or no hiss, but when the amp powers up the speakers the hiss is back, Ill be trying a diff amp this weekend, if thats not the problem then I give up

 

[MmatsDude 10+ year member]

Did everything you guys in here told me too, I think its the amp, every other thing I tried there was little or no hiss, but when the amp powers up the speakers the hiss is back, Ill be trying a diff amp this weekend, if thats not the promblem then I give up

lol