DSPPA Audio Co., Ltd. is the leading Public Address / Emergency Broadcast System manufacturer with 15 years designing and manufacturing experience. Starting as a professional organization in acoustic technology, DSPPA developed the first China-made DOLBY stereo Decoder and Intelligent Public Address System, the first touch-screen Intelligent PA System and Network Intercom PA System based on Internet application in the world. For the distribution to Chinese professional audio research, DSPPA has been awarded the membership of Chinese Institute of Electronics Audio Engineering Society, the membership of China Association of Recording Engineers. In 2005, DSPPA R&D and Production Center, which covers 30,000 square meters, is founded at Guangzhou. 300 workers and 50 technical staffs and engineers are working in it. This represents DSPPA is stepping into the new stage of development. Manufacture equipments include SMT component placer, wave soldering system. The production is complying with RoHs directive under the inspect of professional testing device.