Microphone
A microphone was a piece of technology used to increase the volume of ones own voice to be heard by listeners. It could be placed on a stand or held in the user's hand.

In 2000, reporter Marci Collins used a microphone labeled with her television news program, 3 Action News, during her reports. ()

Spock used a microphone at the radio station on Sigma Iotia II. ()

On Ekos, John Gill and a newscaster used microphones when addressing the Ekosians. () 

When Montgomery Scott tried to use a 20th century computer in the office of Doctor Nichols at Plexicorp, he took the  and handled it like a microphone. ()

A microphone was placed on stage at the Bourbon Street Bar. ()

The Comic also used a microphone when telling jokes on stage. ()

Doctor Chaotica used a broadcast microphone in his Fortress of Doom. ()

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Communications technology