Digital sound was installed in the 1990s, including ceiling speakers.

The voice from the ceiling speaker said genially, "We can use some of that.

He wears a microphone that projects his orders through ceiling speakers.

The compartment had gone quiet, save for the Vivaldi wafting through the ceiling speakers.

The ceiling speaker crackled and whispered as in normal space.

Just as they began securing his helmet and visor, the captain's voice filtered down from the ceiling speaker.

Not a word from the ceiling speakers.

The voice sounded even more mechanical than the cheap ceiling speakers, but pilots liked talking like robots.

Flush-mounted wall or ceiling speakers can also be used for fill.

A built-in ceiling speaker called my name.