I.S. EN 60268-4:2010被替代
Sound System Equipment Part 4: Microphones
出版：National Standards Authority of Ireland
专家解读视频
Defines methods of measurement for the electrical impedance, sensitivity, directional response pattern, dynamic range and external influences of sound system microphones, and also details the characteristics to be specified by the manufacturer.
NBN EN 60268-4:2010 - Identical
EN 60268-4:2014 - Identical
NF EN 60268-4:2012 - Identical
NF EN 60268-4:2005 - Identical
SS EN 60268-4 Ed. 3 (2011) - Identical
