Question about Bose QuietComfort 3 Acoustic Noise Cancelling Consumer Headphones
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Posted on Jan 02, 2017
SOURCE: Very loud and high pitch
This can be serious as the sub woofer driver or the feed circuit is faulty.
Unless the unit is taken out which is important the circuits cannot be traced. Try to disconnect the input and confirm the output or the line of signal path must be traced using a audio till the suspected noise producing section is isolated.
Posted on Mar 19, 2011
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