Super Directional Loudspeaker, PROPA-U100 Outdoor – Eltem Corp.
Outdoor Speaker with Woofer & Graphite Midrange | Proficient
Outdoor Directional Audio Systems, Directional Speaker Company - Audfly
X-Series Directional Speakers | Holosonics
En54 Certified Passive 5 Inch 100V 20W Aluminum Wall Mount Full Range Projector Directional Speaker IP55 Weather Proof Outdoor PA System Lucky-Tone Pj-520men
Brown Innovations Directional Audio - 10 Applications for Directional Speakers