In 1877, German immigrant, Emile Berliner invented the microphone.
AKG 220 Condenser Microphone
Hitler's Picture It was the Microphone in the picture of Hitler making a speech
Microphones do not output anything, they are INPUT devices.
You put batteries in it and you press ON or you flip it up to ON
yes it dose have built in microphone :) I later discovered my handset was faulty. :p IamMasos
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It wasn't 'discovered' - it was invented. Scientists realised that speaking into a microphone creates an electrical charge. Hooking up a detector to the mic, they were able to activate a switch if a charge was detected.
A microphone for what?
you have to buy a webcam with a microphone
Description of a microphone
In microphone stores!
It is used to connect microphone to microphone preamplifiers.
Please bring me that microphone. Harold, turn up the microphone.