Sound system equipment - Part 5: Loudspeakers
Edition 2004-04-30

Connectors for electronic equipment - Tests and measurements - Part 25-5: Test 25e - Return loss
Edition 2005-05-18

Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components
Edition 2011-02-09

Railway applications - Fixed installations - Traction transformers
Edition 2011-02-23

Sound system equipment - Part 5: Loudspeakers
Edition 2011-02-23

Electroacoustics - Hearing aids - Part 0: Measurement of the performance characteristics of hearing aids
Edition 2016-02-10

Electromagnetic compatibility (EMC) - Part 3-11: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems - Equipment with rated current ≤ 75 A and subject to conditional connection
Edition 2020-05-13

Sound system equipment - Part 23: TVs and monitors - Loudspeaker systems (Endorsed by Asociación Española de Normalización in May of 2023.)
Edition 2023-05-01

Sound system equipment - Part 21: Acoustical (output-based) measurements (Endorsed by Asociación Española de Normalización in February of 2019.)
Edition 2019-02-01

Sound system equipment - Part 4: Microphones (Endorsed by Asociación Española de Normalización in December of 2018.)
Edition 2018-12-01