These directional speakers throw sound in focused beams like a spotlight - Yanko Design
Bi-directional Speaker - Model CAR4-8 | CAR4-8 | GAI-Tronics
Akoustic Arts A Directional Speaker | Sound & Vision
Bluetooth Mini Portable Directional Speaker for sale, Directional Speaker Company - Audfly
ELTEM / PROPA-U100 / Directional Loudspeaker, Super Directional Speaker, Ultrasonic Speaker, Directional Sound System for Museums, Exhibits, Art Gallery and Digital Signage – Black : Amazon.ca: Electronics
RCF BD 42 Passive Bi-Directional Wall/Ceiling Speaker, 70V/4 Ohm | Full Compass Systems
Directional Speaker Technology for Offices and Command and Control Centers | by Audfly | Medium
Directional loudspeakers | lb lautsprecher und beschallungstechnik gmbh
Brown Innovations Directional Audio - Sound Dome Directional Speakers
Bluetooth Directional Speaker by Audfly Technology (Suzhou) Co., Ltd., Made in China