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A Bose headset is buzzing

A Bose QuietComfort Acoustic Noise Canceling Headset has buzzing in the left ear cup. Problem does not change from the high to low volume setting. I am pretty sure this is an older product. The problem goes away when I press the left ear cup together. I Tried to just see if some tape would fix it but it did not really work.

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  • BenAdams Jan 26, 2009

    I have the same problem with the left cup - intermittent buzzing - sounds kind of like interference and comes and goes.

  • jonniewalton Feb 06, 2009

    me too, right ear cup


    bit shabby really and your right, when you press the cup in, the buzzing goes!

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The speaker in that Ear Cup may be blown. You should consider replacing the set with a newer one.

If you listen to this with that static noise you risk serious injury to your ear.

Posted on Jan 04, 2009

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1 Answer

Severe squelch in left ear phone


The design of these headphones includes a microphone on the outside and on the inside of each earcup. The outside microphone detects outside noise. The inside microphone monitors what you are hearing and when it detects that the outside noise is present inside, the active noise-canceling circuits remove that noise. This happens fast enough that you perceive a significant reduction in the outside noise getting to your ears.

The airspace inside the earcup is a tuned chamber defined by the shape of the foam in the ear cushion. This is important because with the inside microphone in close proximity, but at a 90-degree angle to the speaker, the circuit must be designed to eliminate the normal feedback that occurs.

If the foam in the ear cushion has weakened/deteriorated to the point that it no longer has it's original shape, (in particular the lower half of the ear cushion), the size and shape of the air chamber inside of the earcup is directing more of the speaker sound toward the microphone than the design can compensate for causing audio feedback to occur. You are hearing that feedback.

On my QC-3 headphones, I can cause the feedback squeal in both earcups, with the left earcup being more sensitive to the shape change than the right.

It is probably time to replace the ear cushions. If so, they are available from Bose for $35/pair.

QuietComfort 3 Acoustic Noise Cancelling Headphones Bose Product Support

They are also available aftermarket at Amazon.com for $16.99/pair
Replacement Earpad ear pad Cushions For Bose QuietComfort 3 QC3 Headphones...

or $5.69/pair.
Bluecell Pair of Replacement Earpad Ear Pad Cushion for Bose Quietcomfort...

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1 Answer

How to replace ear cushion on bose QC 3 headphone


The ear cushions are held on the earcup with six snap fasteners, three on each side. To remove the ear cushion, simply pull it away from the earcup carefully so that you do not break the plastic snap tabs.

It should not be necessary to pry the ear cushion off with a sharp object, but if you do, be careful. There is also a thin gasket seal between the earcup and the ear cushion, take care not to damage it.

If you need to replace the ear cushions with new ones, they are available from Bose for $35/pair.

QuietComfort 3 Acoustic Noise Cancelling Headphones Bose Product Support

They are also available aftermarket at Amazon.com for $16.99/pair
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or $5.69/pair.
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Bose headset not working


bose headset is not working the red light is not on

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My headphone, once side where the ear cup joiner with the top bit was broken. Can I get it fix? Thanks


Call Bose 1-800-999-2673 they sell replacment ear cushions for the QC3 I paid $38 for two.

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My left ear headset does not work. the right one is fine and the battery is charged,


sounds as if you have a short in the left ear. solution would be to send in to manufacture. Or return to the store.

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1 Answer

Only left earphone is working


You should return them to the place you bought them. They should be able to sought the problem out. You might need the sales ticket. Or visit the Bose website. They should have telephone number helpline.

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I have two sets. One has a buzz. The other has a


Try phoning Sound Idea Audio and Video Store at (817)346-4500 for advice.

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Bose QC3 makes a high pitch noise when i press it against my ear


The design of these headphones includes a microphone on the outside and on the inside of each earcup. The outside microphone detects outside noise. The inside microphone monitors what you are hearing and when it detects that the outside noise is present inside, the active noise-canceling circuits remove that noise. This happens fast enough that you perceive a siginficant reduction in the outside noise getting to your ears.

The airspace inside the earcup is a tuned chamber defined by the foam in the ear cushion. This is important because with the inside microphone in close proximity, but at a 90-degree angle to the speaker, the circuit must be designed to eliminate the normal feedback that occurs. When you press the earcup close to your ear, you are changing the size and shape of the air chamber inside of the earcup thus directing more of the speaker sound toward the microphone than the design can compensate for causing audio feedback to occur. You are hearing that feedback. Removing your hand from the earcup should restore the shape of the air chamber allowing the circuits to return to normal operation.

If the feedback occurs too easily when you are NOT pressing on the earcup, then the foam may have weakened/deteriorated and it may be time to replace the ear cushion.

On my QC-3 headphones, I can cause the feedback squeal in both earcups, with the left earcup being more sensitive to the shape change than the right.

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Bose QuietComfort2 Acoustic Noise Cancelling Headphones not working


same thing has happend to me, sometimes when im playing around with it i get about 2 hours use before it turns off again. do you recon its worth sending it off to bose for repair?

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