New Install Noise?

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=60409
Printed Date: May 11, 2024 at 3:50 AM

Topic: New Install Noise?

Posted By: 2005Mazda6
Subject: New Install Noise?
Date Posted: July 31, 2005 at 8:04 AM

I just finished installing my amp and subs in my car (it turned out great, I'll post some picture of how I mounted the amp, it's pretty cool and unique) and it sounds great. However, I noticed that when I shut the car off, it seems like the amp stays powered or something for a second, the subs make this quick "thumping" noise. Is this normal? Is it going to hurt anything? Can I get rid of it?

Replies:

Posted By: DYohn
Date Posted: July 31, 2005 at 11:33 AM

It's normal. You can get rid of it but only if your amp turns off before the head unit (assuming there is nothing else between them.) One way to minimize it is to always turn your HU volume all the way down before you turn the system off.

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