Silent Knight ECS-50W


Intelligent 50 Watt Audio Amplifier

Availability: Estimated 6 Weeks

Condition: New
Brand: Silent Knight
Status: Active
SKU: 45415
Manufacturer Part #: ECS-50W


The ECS-50W is an intelligent 50 watt amplifier for use with the IFP-100ECS, IFP-1000ECS and IFP-2000ECS. The ECS-50W is used to amplify the audio message for distribution throughout the facility. Since it is designed as a self-contained distributed amplifier it can be conveniently located near the area of protection to reduce wiring demands.

Each ECS-50W is capable or producing 50-watts of audio power. Up to eight ECS-50W’s can be used on the voice evacuation system.

The ECS-50W has its own power supply with battery backup and four speaker circuits which can be expanded to eight speaker circuits with the optional ECS-CE4. The ECS-50W is fully supervised by the main panel for trouble conditions.

Additional information

Weight 27 lbs
Dimensions 4.10 × 16.00 × 26.25 in






Production Status



  • SBUS addressable, up to eight ECS-50Ws per system for a total of 400 watts
  • Each ECS-50W is supervised and has four onboard audio circuits expandable to eight with the ECS-CE4 for a system total of 64 audio circuits
  • ECS-50W uses an easy to install wire harness to connect the ECS-CE4 audio circuit expander
  • Can be mounted up to 6000 feet away from ECS-Series panel
  • The ECS-50W has it’s own power supply and backup battery
  • Selectable for 25 volt or 70.7 volt operation
  • Six-wire connection to ECS system: Two-wires for the voice bus and four-wires for the SBUS connections
  • UL 864 and UL 2572
  • OSHPD (CA) OSP-0065-10
  • CSFM 7300-0559:0173


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Intelligent 50 Watt Amplifier


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