1 Topic by dbenji

  • dbenji
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Topic: Noise coming from Left fron speaker

I have just installed my MKI 9100.  One issue Im having is my passenger side door speakers are not outputting audio during a phone call, but they are outputting a hmmming type noise.  If anyone has any eperience with this problem it would be much appreciated!  thanks!

2 Reply by cds

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Re: Noise coming from Left fron speaker

Did you ever get this resolved?  I'm getting a similar issue.

with the radio or music through the Parrot (MKi9200 in my case) the sound is crystal-clear.  But when the voice menu system speaks, or when using the phone, I get a buzzing coming from the left-rear speaker.

My theory is that I'm double-amplifying the signal (I have an external amp in my car, and I know the 9200 amplifies its signal, so by the time the sound reaches the speakers, it's been amplified twice).  When actually driving the speakers, I have to have the volume set pretty low for normal listening.  However, even when the volume is cranked, the speakers are still clear -- so the speakers can handle the signal without clipping.

Having said that, I think I read somewhere that when using the phone, the rear channel is electronically disconnected and only the front channels are used.  I'm guessing that the disconnect isn't perfect -- it's just not sending a signal to those channels.  But the car is still amplifying what little signal is there -- basically white noise.  So I'm getting a humming or buzzing sound.

Am I right?  If so, what can I do about it?