Guangzhou DSPPA Audio Co., Ltd.

DSPPA Network PA System Enters Guangzhou Metro Control Center

DSPPA 7th generation IP network PA system has been installed in the Guangzhou Metro Operation Center, whichwill be put into use in year 2016.

In the past two years, in Haizhu District, around the metro station Wanshengwei (Guangzhou Pazhou Lot) several urban complex buildings with a total construction area of 310,000 square meters are under construction. In additionto the commercial use, the project will serve as the Guangzhou Metro network operation and management command center. Meanwhile, DSPPA’s public address system in the subway system operation center, Guangzhou will be dispatching the entire subway system, play a crucial role in the evacuation of passengers.

Guangzhou subway map

Guangzhou subway map

The project includes six buildings. Based on the overall layout of PA system of the buildings, DSPPA divides the buildings into 112 public address zones, applying the latest development of the seventh generation of network PA system to the project. The system is a computer-based network technology, modular hierarchical structures, highly integrated, intelligent public address system. It can support any combination of an unlimited number of zones, at any time without prior restructuring wiring, greatly reduce the construction cost.

Guangzhou Metro Operation Center

Guangzhou Metro Operation Center

DSPPA network public address system can be compatible with different terminal functions, including playback terminal, display terminal, paging terminals, one-touch emergency terminals, etc. The console itself integrates audio player, zone management, preamplifiers, timers, equalization, the powerful audio matrix function, etc. It can enable the unattended running with the functions of remote control and program timing.

18 cabinets filled with DSPPA public address equipments

18 cabinets filled with DSPPA public address equipments

The 7thgeneration network PA console (MAG6182)

The 7thgeneration network PA console (MAG6182)

The entire project were equipped with 2839 DSPPA ceiling speakers (DSP501 and DSP504), 101 sets of power amplifiers (MAG1312Ⅱ), 53 wall-speaker (DSP116), which can play background music from the console with clear emergency paging and alarms.

Ceiling Speaker (DSP504)

Ceiling Speaker (DSP504)

Wall Speakers (DSP116)

Wall Speakers (DSP116)


Network Amplifiers (MAG1312Ⅱ)

Network Amplifiers (MAG1312Ⅱ)

This is another landmark project DSPPA. It will be fully installed in December this year. All subway lines of Guangzhou subway will be operated and managed by the command center via DSPPA public address system, the DSPPA 7thgeneration network PA system. DSPPA PA system will serve the citizens of Guangzhou along with the advanced and convenient metro.

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