IEC 60581-10:1986

High fidelity audio equipment and systems: Minimum performance requirements. Part 10: Headphones

IEC 60581-7:1986

High fidelity audio equipment and systems: Minimum performancerequirements. Part 7: Loudspeakers

IEC 60581-5:1981

High fidelity audio equipment and systems: Minimum performance requirements. Part 5: Microphones

IEC 60581-1:1977

High fidelity audio equipment and systems: Minimum performance requirements. Part 1: General