Correct price depending on detailed requirements, please contact us freely. 

Advantage:

1. Low cost

2.Multiple sound radiation. Using a single directional beam superposition of speech and speech information, DSS can be used to need multiple projectbeam and CG animation.

3.Small volume as a whole. Amplifier is one of the biggest module, in DSS, the loudspeaker is specially designed, so the overall size and weight can be significantly reduced.

4. Projection distance is adjustable. In the directional sound,