These furnishings can speak (or scream) via wall-mounted speakers.

This made the organ all but non-functional, its sound being transferred into the auditorium via microphones and speakers.

Throughout the ride, riders were able to listen to five different sound tracks via speakers built into the trains.

Kate attempts to contact a watchman via speakers to get help.

Sound is available via speakers attached to poles as well as an FM stereo broadcast.

They make their way to the entrance of the Shanghai Zoo where they encounter a zoo employee who guides them via television monitors and speakers.

The ride had on-board audio via speakers in the back of each car, a first for any wooden roller coaster.

They have a 3.5 mm stereo jack; music can be listened to with earbuds or headphones, or played via an external amplifier and speakers.

They appeared on the stadium's scoreboard and their voices were translated via loud speakers.

Some of his compositions are not amenable to performance by live musicians-live performances include an empty stage, with the music heard via speakers reproducing a computer signal.