The Internation Hearing Loop Manufacturers Association - IHLMA

ETSI EN 300 422-4 V2.1.1 (2017-05)

EN 300 422-4 specifies technical characteristics and methods of measurements for Assistive Listening Devices (ALDs) comprising personal hearing aid systems including inductive systems, personal sound amplifiers, and associated accessories for ALDs, e.g. remote controls and audio streaming devices.
 
 

It applies to equipment operating on radio frequencies up to 3 GHz using analogue, digital and hybrid (using both analogue and digital) modulation.

 

Contact
IHLMA

For all general, membership and technical enquiries, please contact:

admin@ihlma.org

+44 (0) 118 954 2175

Features

International Hearing Loop Manufacturers Association

PO Box 3251
Gloucester
Gloucestershire
GL1 9FU
United Kingdom

 - 
Arabic
 - 
ar
Danish
 - 
da
English
 - 
en
Finnish
 - 
fi
French
 - 
fr
German
 - 
de
Portuguese
 - 
pt
Russian
 - 
ru
Spanish
 - 
es
Swedish
 - 
sv