These directional speakers throw sound in focused beams like a spotlight - Yanko Design
Omni-directional single-person speaker on Kickstarter
Bi-directional Speaker - Model CAR4-8 | CAR4-8 | GAI-Tronics
Focusonics® - Directional speakers delivering a beam of sound
Acouspade Classic™ - Ultrasonic Audio TechnologiesUltrasonic Audio Technologies
Directional speakers deliver UN museum message of peace
HyperSound HSS 3000 Directional Sound Speakers – Videotel Digital
Directional sound system and other directional speakers - Waves system
THE DIRECTIONAL - MyVox Ultrasonics
VIDBeam Directional Sound Speaker – Videotel Digital
Directional Ceiling Speakers - Focusonics
Factory Supply Acoustic Directional Speaker with Built-in Amplifier Portable Ultrasonic Speaker
HyperSound Glass – The World's First Transparent Directional Speakers - YouTube
HyperSound HSS 3000 Directional Sound Speakers – Videotel Digital
Ultrasonic Audio Technologies - The Best Directional Speakers
SRAY : World's Smallest Directional Speaker | Indiegogo
DSPPA Ultra Directional Speaker
Directional loudspeakers | lb lautsprecher und beschallungstechnik gmbh
Directional Ceiling Speakers - Focusonics
