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Repair information for the Bose QuietComfort 2 acoustic noise-canceling headphones. Released in 2003. Model number: QC2.

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One side has no sound

One side has no sound. I have used the same sound source with other headphones and the problem is in the QC2 set. The cord has been replaced and the battery is new.

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@marksorrels, it is possible that you have a bad driver (speaker) or a bad crossover cable. Remove the earpads,remove the Philips screws to get to the speaker. Use a multimeter to check from the cable end to the speaker cable connection and see if you have continuity. If you do, connect a temporary sound source to the speaker and see if it works. How can I fix the sound in the right ear? addresses the same issue on a slightly different model

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Fantastic suggestion! I'll check it out on Saturday. Many thanks!


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Mark sera éternellement reconnaissant.
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