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<blockquote data-quote="plazman" data-source="post: 579418" data-attributes="member: 554902">i been having this hissing sound everytime i hit my brake at lower RPMs that come out from my tweets.I took it back to my installer and he said its becuase of my HU.Its not alternator whine... its whenever the car hits a low RPM... i get this hissing sound. Even when the HU is off... if i put my ear next to the tweets... i could hear a slight hiss. I had them check all wiring and separated the wires... same thing..They also wanted to install a noise filter... but im like.. wtf would i want that... if you do it right in the first place.. then you dont need that.Also... does our HU have a remote turn on wire? OR is that wire in the trunk only for the amp.All wires in the amp have loom over them.Could it be the ground... or the only problem related to ground is alternator whine? I check the resistance of the ground.. and im getting 0.05. He moved it from the factory ground location on the left to a new ground to the sheet metal behind the rear seat. Looks Ghetto to me they way he did it.Is he right about all my noises disappearing if i change my HU?Tried a couple of things...unplugged the Power and high level from the EQX, noise is still there.I get Alt whine when RCAs are unplugged, gone when i plug them in.Removed input wire from Xover. Noise is still there.Tried ground the RCA, noise is still there.whats next?</blockquote>

[QUOTE="plazman, post: 579418, member: 554902"] i been having this hissing sound everytime i hit my brake at lower RPMs that come out from my tweets. I took it back to my installer and he said its becuase of my HU. Its not alternator whine... its whenever the car hits a low RPM... i get this hissing sound. Even when the HU is off... if i put my ear next to the tweets... i could hear a slight hiss. I had them check all wiring and separated the wires... same thing.. They also wanted to install a noise filter... but im like.. wtf would i want that... if you do it right in the first place.. then you dont need that. Also... does our HU have a remote turn on wire? OR is that wire in the trunk only for the amp. All wires in the amp have loom over them. Could it be the ground... or the only problem related to ground is alternator whine? I check the resistance of the ground.. and im getting 0.05. He moved it from the factory ground location on the left to a new ground to the sheet metal behind the rear seat. Looks Ghetto to me they way he did it. Is he right about all my noises disappearing if i change my HU? Tried a couple of things... unplugged the Power and high level from the EQX, noise is still there. I get Alt whine when RCAs are unplugged, gone when i plug them in. Removed input wire from Xover. Noise is still there. Tried ground the RCA, noise is still there. whats next? [/QUOTE]

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