Red Spade Audio: DIY Omni loudspeakers
Ultrasonic Sound Gun (Parametric Speaker) : 3 Steps (with Pictures) - Instructables
Analogue Directional Speakers: How to Make and Test Different Types of Parabolic Reflectors? (TfCD) : 10 Steps - Instructables
Building the dream Omni-Directional LoudSpeaker - MiniDSP
New Information and Communication Technology 'SteganoSonic': Uses Supersonic Waves to Send Soundless Digital Information | SoraNews24 -Japan News-
Bluetooth Mini Portable Directional Speaker for sale, Directional Speaker Company | Audfly
Directional loudspeakers - How they work - Explain that Stuff
Custom Speaker Design — What is an Omni-Directional Speaker & why is...
Analogue Directional Speakers: How to Make and Test Different Types of Parabolic Reflectors? (TfCD) : 10 Steps - Instructables
Directional loudspeakers - How they work - Explain that Stuff
Soundlazer Parametric Directional Speaker Hits Kickstarter For $129 (video)
Super directional speaker kit - SWITCH-SCIENCE
RE-ARCHITECTING | Speaker design, Diy speakers, Audio design
DIY 3D Printing: Cool vintage omnidirectional speaker design you can 3d print
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Directional Speaker - Acouspade™ - Ultrasonic Audio Technologies
Seeedstudio Super directional speaker kit|kit speaker|speaker screenkit mic - AliExpress
Super Directional Speaker Kit Diy Maker Electronic Seeed Booole - Unknown - AliExpress
Omni-directional-ish Speakers? | diyAudio
SRAY : World's Smallest Directional Speaker | Indiegogo
Building the dream Omni-Directional LoudSpeaker - MiniDSP
Directional Speaker | Hackaday
Parametric Speaker Test - YouTube
DIRECTIONAL SPEAKERS - YouTube
How to Make Ultrasonic Directive Speaker Circuit | Homemade Circuit Projects
SparrowlegsSpeakerDesign Omni-Directional Speakers. Available soon! | Diy audio projects, Diy speakers, Speaker design
Cyclops (aka Poke Ball) Omnidirectional Speaker Build - by SoundBlab - YouTube
DIRECTIONAL SPEAKERS - YouTube
Ultrasonic Sound Gun (Parametric Speaker) : 3 Steps (with Pictures) - Instructables
