IEC-Standard
- IEC 60268-1, Sound system equipment – Part 1: General
- IEC 60268-3, Sound system equipment – Part 3: Amplifiers
- IEC 60268-4, Sound system equipment – Part 4: Microphones
- IEC 60268-5, Sound system equipment – Part 5: Loudspeakers
BSI-Standard
- EN50332-1:2000 General method for “one package equipment"
- EN50332-2:2003 Matching of sets with headphones if either or both are offered