Guangzhou DSPPA Audio Co., Ltd.
Tel: 020-28346138
Fax: 020-81305947

MR3S07 Railway Intercom Terminal


● The enclosure is equipped with waterproof, dustproof, and damage-resistant features;
● The panel is equipped with dialing combination keys, allowing for specific zone paging of network playback terminals, as well as paging for the entire zone or selected areas;
● With handheld microphone function;
● With AC220 power supply function;
● Support network broadcast function;
● Dual network interface design, can work across network segments;
● Support the decoding of 16-bit digital audio stream with the maximum sampling rate of 48kHz;
● Embedded structure design, quick to install and easy to use;

  • Introduction
  • Specification

The railway intercom terminal is a fully digital analog-to-digital conversion signal processor based on TCP/IP transmission protocol, with dual network redundancy design, which can be connected to anywhere the network can reach. This device has an external handheld microphone, which can realize paging function. The panel is equipped with dialing combination keys, which can page the specific zone of the railway broadcast terminal, the whole area or the selected area.



Handheld Microphone Input

Input Sensitivity (Balanced Input)


Frequency Response






SNR (30KHz Low Pass)


Power Supply


Package Size (L×W×H mm)


Product Size (L×W×H mm)


Gross Weight


Net Weight


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  • Address:No.1 Xiahe Rd, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
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