1. IEC 60268-12:1987/AMD2:1994 Amendment 2 - Sound system equipment - Part 12: Application of connectors for broadcast and similar use

2. IEC 60268-12:1987 Sound system equipment - Part 12: Application of connectors for broadcast and similar use

3. IEC 60268-14:1980 Sound system equipment - Part 14: Circular and elliptical loudspeakers; outer frame diameters and mounting dimensions

4. IEC 60268-16:2011 Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index

5. IEC 60268-17:1990 Sound system equipment - Part 17: Standard volume indicators

6. IEC 60268-2:1987/AMD1:1991 Amendment 1 - Sound system equipment - Part 2: Explanation of general terms and calculation methods

7. IEC 60268-2:1987 Sound system equipment - Part 2: Explanation of general terms and calculation methods

8. IEC 60268-3:2013 Sound system equipment - Part 3: Amplifiers

9. IEC 60268-4:2014 Sound system equipment - Part 4: Microphones

10. IEC 60268-5:2007 Sound system equipment – Part 5: Loudspeakers