Then he heard the almost subliminal click of the bridge speakers.

She recognized the chief of Security's voice over the bridge speaker before he identified himself.

The snap of a toggle brought the bridge speaker to life.

A moment later a recording of his voice played over the bridge speakers.

At once the Bill's voice burst from the bridge speakers.

"Patch onto the bridge speakers so I can speak to them when they respond."

Within a second, a voice replied over the bridge speaker, "Please state the nature of the medical emergency.

A moment later, the same voice they had heard on the recorded message emerged from the bridge speakers.

Terrell's voice echoed from all the bridge speakers at once.

The way things were set up on the carrier, her announcement was carried over the bridge speakers.