annietsui (annietsui) wrote,
annietsui
annietsui

Vibration Speaker is popular

Resonant sound technology originated in the U.S. Navy sonar technology, the introduction of this principle and improved acoustics, developed a vibration speaker,resonance technology enables solid medium by the spread of non-directional 360 degree music.

But , traditional speaker is according horn happen, it does not have the propagation direction of 360 degrees in one direction only spread, penetration is not very strong, you have to sound far away from the point, or is standing in a different direction, to hear sounds a bit different sizes.
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