Bose Headphones Specifications download pdf (Page 14)

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CC013997 QC25 FAQ 5.6.14

Bose

QuietComfort

Acoustic Noise Cancelling

headphones

PRODUCT SPECIFICATIONS

OTHER ISSUES

What are the mechanical specifications

of the cables and connector?

Cable length: 5.5 ft./66 in./1.68m

Interface connector: Commercial mini-plug (3.5mm diameter)

What are the noise reduction

specifications? Is there an NRR rating?

Bose Corporation does not provide a noise reduction rating (NRR) or

attenuation specification for our QuietComfort headphones.

The 1970s-era NRR standard for rating industrial hearing-protection devices

was developed long before active noise reduction headphones were

commercially available. In fact, NRR, as defined by the government,

cannot be determined for this product because the test method specified

by law is generally recognized to be inaccurate when applied to active

devices.

Will the QuietComfort 25 Acoustic

Noise Cancelling headphones help

consumers that suffer from tinnitus,

hyperacusis or autism?

Bose Corporation does not make any claims about relief of tinnitus,

hyperacusis or autism, and we have not conducted any long-term clinical

studies of the headphones’ effect on these conditions. Tinnitus,

hyperacusis and autism are complex conditions that are not easily

addressed. Some consumers have reported the headphones improve

their situation, but others have not experienced any improvement.

With the Bose Corporation 30-day trial period, we can suggest consumers

try the QuietComfort 25 headphones personally to see if they experience

an improvement.

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Bose Headphones Specifications Page 14