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04-05-2010, 01:32 PM
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#40 |
 
Drives: Yaris 4 Door Sedan Join Date: Dec 2008
Location: South Texas
Posts: 805
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Maybe some sort of Induced noise from the seats. The back of the seats are metal and your screws drill through them which are touching the amp. That's why they usually tell you to mount your amp to wood. I would start there first see if the Hissing stops. As far as the whining, I'd check your grounds, did you scrape off the paint off all the ground points ? And do you have more than one ground tied to a certain point ?
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  Audio is under Construction Kenwood KDC-X794 Hifonics Zeus ZXI6.5C 6.5-Inch 2-Way Component Speaker System - AUTOTEK ATX65CX 6.5-Inch Hifonics BXi 1210D - Crunch PowerZone P1400.4 (2)12 inch Kicker CVR's - 0 gauge from battery to Distribution block - 4 Gauge Power/Grounds to amps - Duralast Yellow Top - Big 3 |
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