Ultrasonic speaker

Ultrasonic audio technologies was established in 201 when it launched its first . Whisper Bar with Ultrasonic Amplifier Kit.

This ultrasonic speaker array has a powerful beam for long range. Sound from ultrasound is the name given here to the generation of audible sound from. A transducer can be made to project a narrow beam of modulated ultrasound that is powerful enough, at 1to 1dBSPL, to substantially change the .

Those that both transmit and receive may also be called . A conventional loudspeaker is designed to spread sound over a fairly wide. Traditional speakers transmit non-directed sound at wavelengths of several feet. You can already buy a special kind of loudspeaker that directs.

Soundlazer works by emitting separate high frequency ultrasonic beams.