The World Biggest Speaker

Alex-Audio achievement and registered Record – the largest speaker in the world. Alex-Audio present, the first short film, of Biggest Speaker in the World.
The World Biggest Speaker, was created for advertising purpose and presentations at trade shows! Over time, became possible to use it in various promotional shows and creative installations.

What means Alex-Audio provides the ability to produce and sell to all comers the biggest speaker in the world, for most exclusive ideas!

http://alex-audio.com