molitor FSC 1 ultrasonic speaker
Directional Speakers - Ultrasonic Audio Technologies
4 Inch Ultrasonic Speaker Module with 40kHz Frequency Sound Laser Small Wireless Bluetooth Function Directional Speaker - AliExpress
DIY parametric speaker
Soundlazer "Snap" - The Directional Parametric Speaker by Richard Haberkern — Kickstarter
These Speakers Use Ultrasonic Waves To Cut Through The Noise
Focusonics® - Directional speakers delivering a beam of sound
Ultrasonic Acouspade Directional Audio Speakers - Xinc Technologies
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4 Inch Ultrasonic Speaker Module with 40kHz Frequency Sound Laser Small Wireless Bluetooth Function Directional Speaker - AliExpress
Amazon.com: ELTEM/PROPA-U50 / Directional Loudspeaker, Directional Speaker, Ultrasonic Speaker, Directional Sound System for Museums, Exhibits, Art Gallery and Digital Signage – Black
These Speakers Fire Focused Beams of Ultrasound for the Hard of Hearing | WIRED
Directional Speakers
Amp board kit for Super directional ultrasonic speaker - SWITCH-SCIENCE
Ultrasonic Speaker Buy - Focusonics®
Ultrasonic Acouspade Directional Audio Speakers - Xinc Technologies
Ultrasonic Directional Speaker With Focused Audio Technology Parametric Array Speaker For Museum - Smart Remote Control - AliExpress
Super Directional Loudspeaker, PROPA-U100 Outdoor – Eltem Corp.
Ultrasonic Parametric Speaker | Focused Directional Speakers | Speakers Sound Array - Speakers - Aliexpress
Directional Speakers - Ultrasonic Audio Technologies
Amazon.com: ELTEM/PROPA-U100 / Directional Loudspeaker, Directional Speaker, Ultrasonic Speaker, Directional Sound System for Museums, Exhibits, Art Gallery and Digital Signage – Black : Everything Else
Ultrasonic Directional Speaker - Guangzhou DSPPA Audio Co., Ltd.
Soundlazer reveals second generation parametric speaker
Ultrasonic Acouspade Directional Audio Speakers - Xinc Technologies
