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IEC – The company IEC is world-leading organization, which creates and issues International standards for all electrical, electronic and other related technologies known generally as electro-technologies. Wherever, there is electricity and electronics you can find the company IEC, which promotes the safety and performance, the environment, electrical energy efficiency and renewable energy. The company IEC also administers conformity assessment systems, which certify that the equipment, systems or components comply with International Standards of this company.
Sound system equipment - Part 24: Headphones and earphones - Active acoustic noise cancelling characteristics
(Equipements pour systemes electroacoustiques - Partie 24: Casques et ecouteurs - Caracteristiques d´annulation active du bruit acoustique)
Standard published on 30.11.2023
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Sound system equipment - Part 3: Amplifiers
(Equipements pour systemes electroacoustiques – Partie 3: Amplificateurs)
Standard published on 25.4.2018
Selected format:Sound system equipment - Part 3: Amplifiers
Standard published on 25.4.2018
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Sound system equipment - Part 4: Microphones
(Equipements pour systemes electroacoustiques - Partie 4: Microphones)
Standard published on 12.9.2018
Selected format:Sound system equipment - Part 4: Microphones
Standard published on 12.9.2018
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Sound system equipment - Part 6: Auxiliary passive elements
(Equipements pour systemes electroacoustiques - Partie 6: Elements auxiliaires passifs)
Standard published on 1.1.1971
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Sound system equipment - Part 7: Headphones and earphones
(Equipements pour systemes electroacoustiques - Partie 7: Casques et ecouteurs)
Standard published on 27.6.2025
Selected format:Sound system equipment - Part 7: Headphones and earphones
Standard published on 27.6.2025
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Sound system equipment - Part 8: Automatic gain control devices
(Equipements pour systemes electroacoustiques - Partie 8: Dispositifs de commande automatique de gain)
Standard published on 1.1.1973
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Sound system equipment - Part 9: Artificial reverberation, time delay and frequency shift equipment
(Equipements pour systemes electroacoustiques - Partie 9: Equipements de reverberation artificielle, de retard et de transposition de frequence)
Standard published on 1.1.1977
Selected format:Latest update: 2026-06-15 (Number of items: 2 282 497)
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