School Audio Broadcast System

 Two way Audio Broadcast System  Room to Rooms Single Wire Solution OR Loop to loop wiring connection. NO NEED OF 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  Channel - 10 /20/30/40 and More