ANSI PH7.305-1981
Test Methods for Headphones Used Primarily for Speech

Standard No.

ANSI PH7.305-1981

Release Date

1981

Published By

American National Standards Institute （ANSI)

Latest

ANSI PH7.305-1981

ANSI PH7.305-1981 history

• 1981 ANSI PH7.305-1981 Test Methods for Headphones Used Primarily for Speech