School Intercom Desktop Control Center for Up to 75 Classrooms

Model #SI35A

Regular Price: $3,197.25

Special Price $1,764.00

Product Overview

  • Nationwide Installation Available

  • Cost-effective communication for 25 to 75 rooms

  • Can be furnished with 1, 2 or 3 room selector panels (each with 25 switches), to accommodate up to 25, 50, or 75 rooms (model SBA225)

  • Step-by-step instructions and color-coded guidelines for easy operation

  • Instant Emergency and All Rooms announcements

  • Remote emergency paging capabilities

  • 20-watt intercom; separate 35-watt program channel

  • Provision for time signalling, telco and voice call-in

  • Aural and visual monitoring of program material, as well as level controls

  • Transmit a time tone for classroom change, etc.

  • Emergency All-Call with a single push-button

  • Emergency announcements take precedence over all system functions and are transmitted at a predetermined level

  • Emergency paging from a remote telephone or microphone

  • Teachers converse hands-free with the control center operator over their individual classroom speaker

  • Calls to staff locations are announced by a supervisory tone signal, which repeats at regular intervals to indicate that the channel is open and the room is being monitored

  • Classrooms can be equipped with call-in switches to call the control center, with options for privacy to voice call-in

  • A CD player-AM/FM receiver can be installed when system capacity does not exceed 50 stations

  • Sturdy desktop cabinet finished in an attractive simulated wood grain finish


The SI35A is a Desktop Control Center that provides fast, reliable, and efficient intercommunication and tone signalling in small to medium-sized schools. The SI35A provides a 20-watt intercom amplifier to permit instant intercommunication with any speaker-equipped location, and a separate 35-watt program amplifier for simultaneous distribution of program material to other rooms or locations. The system also features an emergency page capability for emergency announcements to all stations at once. Additional amplifier can be added to increase power. We also offer nationwide paging system installation.  Call us at 800-335-0229



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