A practical electrostatic loudspeaker. By Akilaa (Own work) [Public domain], via Wikimedia Commons. A practical electrostatic speaker uses a flexible film that is as thin and light as possible as ...

The electrostatic speaker from Warwick Acoustics uses 90 percent less energy, is fully-recyclable, and could save an EV 20 ...

An electrostatic loudspeaker uses a thin plastic diaphragm residing between two perforated metal sheets (the grids or stator plates). The audio signal is applied to the grids out of phase.

Most noise-blocking headphones fall into two categories: they use some kind of material to absorb or scatter noise, or they use active cancellation that creates a signal to oppose the noise signal.

The common type of loudspeaker that uses a magnetic field ... thus creating sound. Contrast with electrostatic speaker. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires ...