At the edge of the balcony, he switched on his voice amplifier and spoke to the attentive audience.

Suffering from laryngeal cancer, he relied on a voice amplifier.

A uniformed guide spoke to us through a voice amplifier.

But what will this technology mean for legitimate protest when it is combined with surveillance devices like hidden cameras and voice amplifiers?

We could use super-output voice amplifiers and yell halfway across the planet if we didn't have radio.

The marine captain had stepped away with the small voice amplifier: Hisst was just mouthing the same words as before.

"It is very dangerous for all of you to be here," Patrick said, his voice disguised by the electronic voice amplifier in the battle armor.

Finally, the disembodied brain spoke through the voice amplifier.

Brim listened their words echoing hollowly from military voice amplifiers.

Unscrew the mouthpiece on the phone and remove the voice amplifier.