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8 Channel Changeover

NV-76000MS changeover is an integrated controller supporting main and backup amp switch function, speaker circuit grounding detection, open circuit and short circuit detect ..

Evac Integration Controller

NV-76000MA is a controller for public address (PA), voice alarm and background music system. It can control the complete system and check the status through its 5"colo ..

Voice Alarm Controller (16 Zones)

NV 72000M-16 is the head management and control unit of the Voice Alarm & Evacuation (EVAC) System. It is a modular design to ensure a simpler and flexible configuration, ea ..

Voice Alarm Controller (32 Zones)

NV 72000M-32 is the head management and control unit of the Voice Alarm & Evacuation (EVAC) System. It is a modular design to ensure a simpler and flexible configuration, ea ..

Voice Alarm Controller (48 Zones)

NV 72000M-48 is the head management and control unit of the Voice Alarm & Evacuation (EVAC) System. It is a modular design to ensure a simpler and flexible configuration, ea ..

Voice Alarm Controller (64 Zones)

NV 72000M-64 is the head management and control unit of the Voice Alarm & Evacuation (EVAC) System. It is a modular design to ensure a simpler and flexible configuration, ea ..

Voice Recorder

NV-76000RC shall be used for working with main controlling system to record calling content of Mic, which provides a scientific basis for the subsequent accident, and provi ..