A' speaker projects sound straight at listener without anyone nearby overhearing | Daily Mail Online
Akoustic Arts A Directional Speaker | Sound & Vision
A' speaker projects sound straight at listener without anyone nearby overhearing | Daily Mail Online
Amazon.com: ELAC Debut Reference Floor Standing Speakers, Walnut or Oak Single Tower Speakers for Home Theater, White Baffle with Oak Sides : Electronics
The 'A', an ultra-directional sound speaker by Akoustic Arts | by Matthieu Ventelon | Medium