DJ_Stubbs Posted August 29, 2013 Report Share Posted August 29, 2013 Changed my speakers from my HU to an amp in my trunk finally and i noticed a quiet whine while accelerating. it doesnt really get louder when i turn up the volume, but i noticed it after i changed my door speakers to the amp. but i always had the amp plugged into 2 speakers in my trunk. and i never heard it. Is it my ground? Should i get a ground loop isolator? Oh and i also added an audiotechnix volt meter to my HU wiring. ground and power and remote turn on wire. 2007 Dodge Caliber SXT 2.0L Flowmaster Single muffler + Tip 4 SoundQubed 6x9s 3-way PolkAudio PA660.4 2 MB Quart Tweeters 2 4" MB Quart 2-way New 8" coming soon! Link to comment Share on other sites More sharing options...
SnowDrifter Posted August 29, 2013 Report Share Posted August 29, 2013 Does the whine change in pitch according to the RPM of your engine? ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
DJ_Stubbs Posted August 29, 2013 Author Report Share Posted August 29, 2013 Yes it does. 2007 Dodge Caliber SXT 2.0L Flowmaster Single muffler + Tip 4 SoundQubed 6x9s 3-way PolkAudio PA660.4 2 MB Quart Tweeters 2 4" MB Quart 2-way New 8" coming soon! Link to comment Share on other sites More sharing options...
RooTxBeeR Posted August 29, 2013 Report Share Posted August 29, 2013 What kind of head unit so you have? On 11/20/2012 at 8:54 PM, AMI CUSTOMS said: Turned mine up today at a light, guy next to me his steering wheel started moving and he looked over at me like I was a magician lol. On 5/9/2012 at 8:45 PM, skittlesRgood said: fuck the plating. look at what the main metal used is. you could buy unicorn blood plated terminals but if its just covering up dog shit, whats the point On 4/10/2013 at 12:26 PM, mrd6 said: I'll admit, half way through sanding that fiberglass in the rain and cold while I was all itchy I was definitely starting to question why i was doing this haha Soon To Be '04 Ford Escape US Alternator 280A Hairpin D4800 Under the Hood (6) XP3000's in Rear 1/0 SHCA & XS Power 4 runs to back TORK2 kit from Tony @ CE Auto Supply Pioneer DEH-80PRS DD AW6.5 (2) per door *Tweeter Unkown* DD SS4a & C3d (2) SCV4000 @ .5Ohm (2) 15" Sundown Zv5 Link to comment Share on other sites More sharing options...
SnowDrifter Posted August 29, 2013 Report Share Posted August 29, 2013 Try this: Ground the sheath of your RCAs to the back of your head unit, and ground your head unit to a good ground. Also be sure that your RCAs and power wire aren't close to eachother ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
DJ_Stubbs Posted August 29, 2013 Author Report Share Posted August 29, 2013 Its a Dual XHDR6435 http://www.dualav.com/mobileaudio/xhdr6435.php I never noticed it before. Idk why it popped up suddenly. 2007 Dodge Caliber SXT 2.0L Flowmaster Single muffler + Tip 4 SoundQubed 6x9s 3-way PolkAudio PA660.4 2 MB Quart Tweeters 2 4" MB Quart 2-way New 8" coming soon! Link to comment Share on other sites More sharing options...
SnowDrifter Posted August 29, 2013 Report Share Posted August 29, 2013 ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
DJ_Stubbs Posted August 29, 2013 Author Report Share Posted August 29, 2013 Theres nothing else to try? an isolator wouldnt help? or maybe moving stuff around?And my voltage drops to like 12. Never goes higher than like 13v. am i ok? If i turn the car off i definitely hit 10v. I dont leave it playing with the car off for long. 2007 Dodge Caliber SXT 2.0L Flowmaster Single muffler + Tip 4 SoundQubed 6x9s 3-way PolkAudio PA660.4 2 MB Quart Tweeters 2 4" MB Quart 2-way New 8" coming soon! Link to comment Share on other sites More sharing options...
SnowDrifter Posted August 29, 2013 Report Share Posted August 29, 2013 You could try a pac SNI-1 if you want. But there are different ways to go about fixing this than throwing money/products at it ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
DJ_Stubbs Posted August 29, 2013 Author Report Share Posted August 29, 2013 What else can i do. 2007 Dodge Caliber SXT 2.0L Flowmaster Single muffler + Tip 4 SoundQubed 6x9s 3-way PolkAudio PA660.4 2 MB Quart Tweeters 2 4" MB Quart 2-way New 8" coming soon! Link to comment Share on other sites More sharing options...
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