SANSONIC Technology Co., Ltd is a systematic enterprise that is concerned with researching, developing, manufacturing and sales of Public Address Systems, Emergency PA Systems and Professional Sound Systems & Speaker, Accessories. Currently, Switching Power Module, Class D Amplifier. Also principally undertake domestic and professional audio products OEM, ODM business. Located in the beautiful seashore city _ Shenzhen, China, sansonic has 370 employees and more than 200000 square meters factory area.