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
Amazon.com: ELTEM/PROPA-U50 / Directional Loudspeaker, Directional Speaker, Ultrasonic Speaker, Directional Sound System for Museums, Exhibits, Art Gallery and Digital Signage – Black : Everything Else
DSS1419 Active Directional Speaker System - Guangzhou DSPPA Audio Co., Ltd.
2022 original ultrasonic directional speaker with 40kHz frequency Parametric Speaker System for museum home theater - AliExpress
Directional Speakers
China Long-Distance Ultrasonic Directional Speaker Manufacturers, Suppliers - Factory Direct Wholesale - Pearller
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
Akoustic Arts A Directional Speaker | Sound & Vision
Super Directional Ultrasound Loudspeaker with Amplifier Wall Mounted Long Distance Spotlight Directional Speaker - China Directional Speaker and Ultrasonic Loudspeaker price | Made-in-China.com
Focusonics® - Directional speakers delivering a beam of sound