The first step that should be taken to solve social issues to guarantee safety and the customers’ happiness JD Solution will be with you for that journey.
The acoustic hailing device that emits high-power sound waves in a range of areas covering the safety notice broadcast, disaster warnings, crowd control, security area, and surveillance, etc.
The acoustic hailing device
that emits high-power
The super-directional loudspeakers that can clearly deliver each sound with its high directivity.