Headphones

SS radio operator with two-way radio and telegraph

A Nazi SS radio operator wearing headphones

Headphones were a set of two speakers that fit over one's ears to allow one to listen closely to a transmitted message.

In a 2374 Hirogen simulation of Nazi Germany, an SS radio operator wore headphones to listen to his two-way radio. (VOY: "The Killing Game")

In 2399, Doctor Agnes Jurati wore headphones while she was listening to Kasseelian opera outside the Daystrom Institute in Okinawa. (PIC: "The End is the Beginning")

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