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Have you tried ferrite beads? I've got 4 sitting on my iPhone's dock. Noise just disappears.
 
Get the iPhone 3G. I think it that 3G phones don't cause the buzz.

Seriously! The only GSM phones I have owned that have not caused the buzz are my Blackjack and my wife's Sony Ericsson, both the only 3G phones I have owned.

Now, of course, prior to doing so, please see if my experience points to truth or total BS.
 
Buy a better car. Doesn't happen in Infiniti M35. Nor does it happen next to my home theatre speakers. However rips my HP speakers apart!

exactly. My mercedes doesn't have the GSM noise, but my partners Chevrolet makes the noise. He hates it when my phone is in his car.
 
Get the iPhone 3G. I think it that 3G phones don't cause the buzz.

Seriously! The only GSM phones I have owned that have not caused the buzz are my Blackjack and my wife's Sony Ericsson, both the only 3G phones I have owned.

Now, of course, prior to doing so, please see if my experience points to truth or total BS.

Generally true. A 3G capable phone which is in 3G mode will be using a different radio/air interface (WB-CDMA?) which does not exhibit the chirpy/buziness of GSM/TDMA. However if your 3G phone drops back to 2G mode (when it can't find a 3G signal or 3G is switched OFF) then it will chirp and buzz once more.
 
Generally true. A 3G capable phone which is in 3G mode will be using a different radio/air interface (WB-CDMA?) which does not exhibit the chirpy/buziness of GSM/TDMA. However if your 3G phone drops back to 2G mode (when it can't find a 3G signal or 3G is switched OFF) then it will chirp and buzz once more.
True. My Blackjack II makes speakers of all sorts emit a buzzing noise when it drops to EDGE or GPRS.
 
Stop Cell Phone Speaker Buzz with this.

Found a product called Buzz Shield that stops the gsm buzz. You can see it at www.stopthebuzzin.com I have tried it and it works. Cassette adapter to ipod buzzes no more. Speakers on desk buzz no more.
 
Looks like a normal static free bag that you receive when you order a video card.


I just found one and tested it. I put the iPhone on my static free bag and the buzzing stopped. I guess I really got it on the cheap. :)

Give it a try and see if it works for you
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Found a product called Buzz Shield that stops the gsm buzz. You can see it at www.stopthebuzzin.com I have tried it and it works. Cassette adapter to ipod buzzes no more. Speakers on desk buzz no more.
 
Get the iPhone 3G. I think it that 3G phones don't cause the buzz.

Seriously! The only GSM phones I have owned that have not caused the buzz are my Blackjack and my wife's Sony Ericsson, both the only 3G phones I have owned.

Now, of course, prior to doing so, please see if my experience points to truth or total BS.

I can confirm. I used to have the gsm buzzing sound bad. Then after a couple of days I noticed it went away. It was because I bought the 3G.

Note. sometimes your 3G may "fall" into edge mode. and I bet it would cause the noise then. But I live in a very good 3g area so I have not seen if this is the case.
 
Part of the problem is in using the cassette adapter as those require the signal to be amplified a lot in the head unit. With all that amplification comes the boosting of the noise, too. A line-in/aux port will require less gain and should be better. However, using the ferrite beads on the cords is probably the best solution overall, along with increasing the distance between the phone and the head unit/amplifier.
 
That's nothing more than an antistatic bag. If you've got one lying around from a hard drive, RAM, etc. then just use that. Also, a piece of metal (like the lid of a tin) may work. I've tried placing my phone on top of both an ESD bag and a tin lid and both eliminated the interference (which was extremely loud before).
 
Wow, really? Really? Bluetooth to cassette adapter? That's about the most ridiculous setup I've ever heard. Talk about new meets old. Seems like an oxymoron to me.

Uhh, you realize Bluetooth A2DP isn't exact the king of high fidelity audio either, right?
 
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