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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