Certificates are asigned for each product family:

• Sound projectors
  DA-S 10-130/T-EN54 • DA-S 20-130/T-EN54
• Ceiling speaker
  DL 06-130/T-EN54 • DL 06-165/T-EN54 • DL 10-200/T-EN54
  DL-AB 06-200/T-EN54 • DL 10-165/T plus-EN54 • DL 20-200/T plus-EN54
• Surface-mounted speaker
  DL-A 10-165/T-EN54 • DL-A 10-200/T-EN54
• Wall mounted speaker
  WA 06-165/T-EN54 • WA 06-165/T Metall-EN54
• Wall mounted-/AB-line speaker
  WA-AB 06-100/T-EN54
• Horn speaker
  DK 10/T-EN54 • DK 15/T-EN54 • DK-MH 30/T plus-EN54