WS-V directional speaker – lemonsonics
Directional speakers deliver UN museum message of peace
Directional speaker delivers personal sound, sans-headphones
Directional Speaker - Acouspade™ - Ultrasonic Audio Technologies
Brown Innovations Directional Audio - Sound Dome Directional Speakers
Ultrasonic Directional Speaker with Focused Audio Technology Parametric Array Speaker for museum - AliExpress
Ultrasonic Audio Technologies - The Best Directional Speakers
Acouspade Classic™ - Ultrasonic Audio TechnologiesUltrasonic Audio Technologies
Directional loudspeakers | lb lautsprecher und beschallungstechnik gmbh
HyperSound Glass – The World's First Transparent Directional Speakers - YouTube
Bi-directional Speaker - Model CAR4-8 | CAR4-8 | GAI-Tronics
KAS2230DLC Splash Waterproof Bi-Directional Sound Projector Speaker 70V
These directional speakers throw sound in focused beams like a spotlight - Yanko Design
Ultrasonic Directional Speaker with Focused Audio Technology Speaker for Museum | eBay
Omni-directional single-person speaker on Kickstarter
Focusonics® - Directional speakers delivering a beam of sound
RCF BD 42 Passive Bi-Directional Wall/Ceiling Speaker, 70V/4 Ohm | Full Compass Systems
THE DIRECTIONAL - MyVox Ultrasonics
Brown Innovations Directional Audio - Museum Directional Speakers
Factory Supply Acoustic Directional Speaker with Built-in Amplifier Portable Ultrasonic Speaker
SRAY : World's Smallest Directional Speaker | Indiegogo
HyperSound HSS 3000 Directional Sound Speakers – Videotel Digital
