Q Why is Bose so secretive about the frequency response of their noise-canceling headphones? STEVE PERRY, St. Paul A Bose has a long history of not disclosing specifications of any type. Wikipedia's entry on Bose Corp. states Bose's position, as taken from a paper published by the Audio Engineering Society, at www.aes.org: "The ultimate test, Bose insists, is your perception of audible quality ...

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