Many drivers are adopting slightly bulkier headsets or using a barely visible microphone and speaker mounted in the car.

He approached a speaker mounted in the adjacent wall and pressed the activation button.

O'Donahee knew that those pacifying words had come from the blast speakers mounted on the shoulders of the murderous heckler.

Arn locked the cabinet back up, and reached for the speaker mounted on the wall beside it.

A speaker mounted above the control board clicked on.

The speaker mounted above the control board made no sound.

The speaker mounted the steps, turned, and faced the assembly.

The speaker mounted with ease and swung the long ash lance in a broad circle around his head.

The roof is supported by 10 beams and supports and sound equipment creates 8 speakers mounted along grandstands.

You can see the speakers mounted to either side of the screen.