Electroacoustics. Hearing aids. Induction-loop systems for hearing aid purposes. System performance requirements.
STANDARD published on 30.4.2018
Designation standards: BS EN IEC 60118-4:2015+A1:2018
Publication date standards: 30.4.2018
The number of pages: 58
Approximate weight : 174 g (0.38 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 580 97036 8 Status: Definitive