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Two way Audio Broadcast System


Room to Rooms Single Wire Solution OR Loop to loop wiring connection.


1. One to One Communication with Talk Back. (Two way Communication) : You can speak as well as Listen to any selected room number without disturbing other rooms.

2. All Call and All Rooms: You can Announcement of common all rooms. All announcement audible to rooms.

3. Group Call : Group can be made of rooms sharing common interests like senior, junior section, Playgroup, staff Rooms i.e. user can make 03,09,12,15,25 rooms each.

4. Selective Call: You can select room to destination room number directly in master controller.

5. Emergency Alarm: You can press emergency button warn to every class room with Panic siren and announcement like as earthquake, Short Circuit, Heavy rains etc.

6. Micro SD card: You can play music, player with Micro SD card. We can upload many sounds.

7. Bluetooth, Pen Drive, SD Card connectivity.

8. SOS Button : In classroom students are fighting. If any student press button in classroom call number to principal room take quick emergency action.


1. Digital Key pad interface.

2. 20X4 LCD Display. 3.

Mike and AUX connected Jack.

4. 3.5mm jack for playing external audio.

5. Bluetooth, Pen Drive, SD Card connectivity.

6. Input Supply 220V AC.

User Interface : Diamentions (LxBxH) 1. Audio Broadcast unit- 255mm x 215mm x 70mm (Wt. 1.7KG)

1. Speaker Slave Unit - 130mm x 100mm x 175 mm (Wt. 800GM) Speaker Slave Unit 6" Speaker

2. Sound Volume Control

3. Inbuilt Micro Phone

4. Inbuilt Digital Slave Card

5. Inbuilt Amplifier SMART AUTOMATIC SCHOOL BELL WITH BLUETOOTH CONNECTIVITY LAN Wire Loop to Loop Connection 220 V AC Loop to Loop Connection Two way Audio Broadcast System Talk Back Audio Broadcast System School Broadcast System Single Wire Solution loop to loop connection or Series wire connection. Inbuilt Amplifier