A directional sound horn using parametric array technology, which condenses sound waves into a directional sound column with a very narrow beam;
:: Commercially targeted advertising, enriching drainage channels and improving the arrival rate of advertising communication;
Bank privacy protection, can greatly alleviate the bank's voice security problems, and thus improve the quality of banking services and customer satisfaction;
● Introduction of museum exhibits, each exhibit has an independent interpretation sound field, which does not interfere with each other, greatly improving the comfort of the audience;
● Community garbage classification publicity, the sound range is controllable, and it will not cause noise interference to the community environment while effectively promoting the garbage classification effect.