| 1924 | Foundation of Elektrotechnische Fabrik Eugen Beyer in Berlin. The young engineer started with the development and production of loudspeakers for the upcoming soundfilm. |
| 1937 | Serial production of the first dynamic headphones, the DT 48, starts. They were in production till the end of 2012. |
| 1939 | beyerdynamic presents the first dynamic microphone for studio use, the M 19. It made history as the standard microphone of the "Reichsrundfunkgesellschaft" (Germany's national broadcasting station). |
| 1953 | A revolutionary development for record shops: the DT 49 "stick" headphone gave rise to the famous disc bars. |
| 1962 | Production of the "transistophone", the first wireless microphone starts. |
| 1963 | The newly developed M 88 directional microphone is selected as the only microphone for Queen Elizabeth's first official visit to Australia. |
| 1966 | As exclusive microphone for the first Beatles tour through Germany, the E 1000 made the breakthrough. In those days only insiders knew that is was a ribbon microphone from beyerdynamic which had been delivered as OEM product to a supplier for orchestra electronics. |
| 1969 | The M 500 ribbon microphone proves that the lacking ruggedness of ribbon microphones, described in old textbooks, is definitely a thing of the past. |
| 1973 | Launch of the DT 204 quadrophonic headphones. |
| 1974 | The first Tour Guide System „Informaphone FSE 20“ has been presented. |
| 1976 | Introduction of the ET 1000, the first electrostatic headphones, developed and manufactured in Germany. |
