Recently i hv install a 4ch amp in my car. after 2days when i use my horn, it suddenly hv tis'PICKKK' sound (like speaker pecah sound). send it back 2 the acc shop, the guy say it is normal, coz normally ppl who install amp also will hv tis kind of problem wan. ask him y. he say bcoz of the usage of the electric in my car are not accurate. after tis horn settle d, then the brake comes in. everytime i brake, it sound 'PICKKK'. but tis time the sound is not as loud as the horn wan. So i wan 2 ask wheater u guys got come across tis kind of problem not?? n how u guys settle it??? Thanks.

but i duno how 2 desribe the sound lah! in chinese they call it something like "Fei Chi sound". infact some of my fren install in other places also got tis kind of sound. my fren wan lagi teruk, everytime when he step the acceletor, the sound follow up 2 the speaker.

Thanks mattchin!

This post has been edited by blueworm: Oct 21 2006, 07:28 PM

wat it got 2 do wif preamp??

Ya, when they install my amp, the RCA cable they wrap with ikan bakar silver paper(forget wat they call in english). They told me tat tis is 2 avoid any unwanted noise came out from the speaker. But my car also kena.