[Elecraft] Bose noise canceling headphones

[Bill W4ZV]

Bill W4ZV wrote:
> 
> If you **truly** want to block out ambient noise, there are much better
> and less expensive solutions.  If I recall correctly the $300 (fair
> traded) Bose QC2 units only have ~10 dB of attenuation.  Bose doe not spec
> their sound reduction because it really isn't so great.  I think I found
> the 10 dB figure above from a 3rd party evaluation of the original Bose
> QC.
> 

I found a review of the QC3 below:

"Over the entire frequency range, they block an average of about 15 dB of
noise"

http://www.headphoneinfo.com/content/Bost-QuietComfort3-Headphones-Review/Performance.htm
(scroll down to the last graph ~75% of the way down the page.

73,  Bill

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