Koss used to make a pair of headphones (Pro 4AA's?) that had oil-filled ear=
surrounds that were quite impressive at isolation as they moulded themselv=
es to your head. The down side was that they quickly became very uncomforta=
ble to wear!
Phil
----- Original Message ----
From: Dan Dugan <>
To:
Sent: Thursday, 13 December, 2007 6:43:36 AM
Subject: Re: [Nature Recordists] Isolation headphones
>I continued to be disappointed with headphones (not earphones)=
that
>claim to be isolation headphones. Can anyone recommend a model that
>gives say 40db(A) isolation?
That may be an unrealistic expectation. The best I know are
UltraPhones, rated at 29 dB isolation.
http://gk-music. com/ultraphones. htm
-Dan Dugan
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