Public Addressing System

Public Addressing System & Integrated Digital Bell.


  • One to One Communication with Talk Back (Two – Way Communication): Master (Principal/Admin/Directors unit) can speak as well listen to any selected room without disturbing other rooms.
  • All Call / General Announcement: Announcements of common interest can be made using ALL CALL feature. Voice will be audible in all Slave / Classroom units connected with this system.
  • Group Call: User can make 05 groups up to 10 rooms each for making group announcements. Groups can be made of rooms sharing common interests like Senior sections, junior section, playgroups, staff rooms etc.
  • Selective Call: Rooms other than group made, can be called selectively by entering room numbers directly in Master controller.
  • External Audio: 3.5mm Jack is provided at the back of Master controller for playing music from external devices like Desktop, Laptop, Tablet, Mobile etc.
  • Automatic Bell Ringing System: Most advanced feature rich automatic school bell system is integrated with this system. User can program whole day schedule and bell will ring automatically. All 7 days of week can be programmed with different time tables.
  • Micro-SD Card: Provisions to mount Micro-SD card. User can upload desired sound files to use as bell sounds or for playing music. 53 sound files are factory loaded. These 53 sound files include various combinations like female voice narration - This is Period No 1, it’s your lunch time etc. and traditional Tawa bell sound “Tan-Tan”.

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