EN 300 422-4
Every edition of this standard in the harmonised standards lists published in the Official Journal of the EU.
| Edition | Act | Status |
|---|---|---|
| EN 300 422-4 V2.1.1 Wireless Microphones Audio PMSE up to 3 GHz Part 4: Assistive Listening Devices including personal sound amplifiers and inductive systems up to 3 GHz Harmonised Standard covering the essential requirements of Article 3(2) of Directive 2014/53/EU | RED | reference published (presumption of conformity) |