Guangzhou DSPPA Audio Co., Ltd.

DSPPA | Accredited for High-Tech Excellence

DSPPA | Accredited for High-Tech Excellence


Abstract: DSPPA high-tech systems and products have been on the list of 2023 Guangdong Excellent High-Tech Products.


Recently, the list of 2023 Guangdong Excellent High-Tech Products was officially unveiled, and three independently developed systems and products from DSPPA, including Network PA & Intercom System, Railway Station and Line PA System, and True Diversity UHF Wireless Microphone System, have all made the list, which fully demonstrates DSPPA’s outstanding strength in technological innovation and product quality in the field of audio and video.


01  Network PA & Intercom System


This system is a comprehensive audio and video communication system that integrates computer networks, PSTN telecommunication networks, and mobile communication networks. Leveraging on the advantages of network integration, it enables convenient voice, video intercom, and broadcasting functions at a lower cost, with extensive applications in a wide range of places such as campuses, hospitals, factories, shopping malls, and transportation hubs.


02  Railway Station and Line PA System


DSPPA Railway Station and Line PA System adopts a two-level system with center and station parts based on a B/S architecture. The station control center prepares voice files for different stations and distributes them to all stations along the line in a unified manner through the broadcasting system. This unified deployment of station and line broadcasting provides passengers with guidance for travel and evacuation throughout their journey.


On December 16, 2023, Guiyang Urban Rail Transit Line 3 was opened for operation, featuring a total of 29 stations, a parking lot, a depot, and a control center. DSPPA Railway Station and Line PA System Solution empowers smart rail transit construction with technology and has been successfully applied to Guiyang Urban Rail Transit Line 3!

03  True Diversity UHF Wireless Microphone System


DSPPA True Diversity UHF Wireless Microphone System utilizes a PLL dual-channel phase-locked loop circuit design, which effectively avoids frequency loss and increases signal reception distance. The product features clear sound quality, stable connection, easy setup, and strong compatibility. It provides clearer and more stable sound pickup for a variety of occasions, such as business meetings, teaching and training sessions, and stage performances.
Innovation capability is the foundation and prerequisite for high-tech enterprises to engage in innovative activities.

As a national high-tech enterprise and the editor-in-chief of the national standard for public address system engineering, DSPPA will continue to deepen the implementation of the innovation-driven development strategy, intensify investment in research and development of core technologies, elevate comprehensive competitive edge, build up momentum and empowerment, and lead the high-quality development of the enterprise with technological innovation, providing users with more professional audio and video solutions and equipment!

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