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<blockquote data-quote="morgan16382" data-source="post: 1389350" data-attributes="member: 565550"><p>I have a really annoying whining noise coming through my speakers in correlation to my rpm's. I realize this is probably caused by a ground loop because the noise only comes through when I have my head unit set to Aux for the sattelite radio. The fm/am frequencies do not have this noise, nor does the cd function of my head unit. Also, I connected my mp3 player to the car and found that since it wasn't running off the car's battery that there was no whine. I'm not sure where to go from here.</p><p></p><p>My system is:</p><p></p><p>Head Unit-Panasonic Cq-Dvr909u</p><p></p><p>Audiovox Sirius sattelite radio</p><p></p><p>Speakers-</p><p></p><p>Front-Infinity Perfect Series</p><p></p><p>Rear- Alpine (not sure exact type)</p><p></p><p>Both of which handle around 90-100 watts rms</p><p></p><p>Powered by Sony XM-4060GTX</p></blockquote><p></p>
[QUOTE="morgan16382, post: 1389350, member: 565550"] I have a really annoying whining noise coming through my speakers in correlation to my rpm's. I realize this is probably caused by a ground loop because the noise only comes through when I have my head unit set to Aux for the sattelite radio. The fm/am frequencies do not have this noise, nor does the cd function of my head unit. Also, I connected my mp3 player to the car and found that since it wasn't running off the car's battery that there was no whine. I'm not sure where to go from here. My system is: Head Unit-Panasonic Cq-Dvr909u Audiovox Sirius sattelite radio Speakers- Front-Infinity Perfect Series Rear- Alpine (not sure exact type) Both of which handle around 90-100 watts rms Powered by Sony XM-4060GTX [/QUOTE]
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