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<blockquote data-quote="psychofactor" data-source="post: 28830" data-attributes="member: 542985"><p>With teh volume all the way down and the engine off is the noise there. If not turn your car on. and rev teh engine di dnoise come back and can you here it go high and low.</p><p></p><p>If so then you have alternator Whine. So cars are very prone to that. could be the head unit head unit. Could also just be a weak Alternator. If you have lots of power you need a bigger alternator and or another Battery.</p><p></p><p>You can still have a bad ground or something.</p><p></p><p>If you don't get the whining that I'm talking about and you only here a hiss. Try this.</p><p></p><p>Turn your vloume down. Turn your Amp gains down. Then turn your Head unit volume up as load as you can without Distortion. Then turn your AMP Gain up little by little till you start to here a little distortion than back it of an 1/8 of a turn.</p><p></p><p>If you still get the hissing then it is probably just the CD's. But bring it back to the dealer and explain what you are hereing and let him listen could be something simple or whathave you.</p><p></p><p>Let me know.</p></blockquote><p></p>
[QUOTE="psychofactor, post: 28830, member: 542985"] With teh volume all the way down and the engine off is the noise there. If not turn your car on. and rev teh engine di dnoise come back and can you here it go high and low. If so then you have alternator Whine. So cars are very prone to that. could be the head unit head unit. Could also just be a weak Alternator. If you have lots of power you need a bigger alternator and or another Battery. You can still have a bad ground or something. If you don't get the whining that I'm talking about and you only here a hiss. Try this. Turn your vloume down. Turn your Amp gains down. Then turn your Head unit volume up as load as you can without Distortion. Then turn your AMP Gain up little by little till you start to here a little distortion than back it of an 1/8 of a turn. If you still get the hissing then it is probably just the CD's. But bring it back to the dealer and explain what you are hereing and let him listen could be something simple or whathave you. Let me know. [/QUOTE]
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