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| 1956 |
The MD 93 microphone with reversible transducer acts as microphone and loudspeaker, e.g. in dictating machines.
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| 1957 |
Lab W exhibits an RF wireless system for professional TV and stage use, developed in cooperation with German broadcaster NDR. From 1958, the system is marketed with Telefunken under the name Mikroport.
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| 1958 |
Labor W is renamed Sennheiser electronic.
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| 1959 |
MDS 1 stereo microphone.
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| 1959 |
Hanover Technical University makes Fritz Sennheiser an honorary professor.
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| 1960 |
Introduction of another microphone classic, the MD 421.
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| 1961 |
Sennheiser builds its first answering machine for Telefunken.
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| 1961 |
At the German Industrial Fair, Sennheiser shows the first samples of a radio frequency condenser microphone - the birth of the famous MKH series.
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| 1962 |
Sennheiser manufactures the first baby monitor, the so-called "Babysitter".
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| 1965 |
M 101 mixer.
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| 1965 |
Launch of the audiophile Philharmonic . hi-fi system - the first to use active loudspeakers.
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