EVS-50WBD HONEYWELL

Product Overview

The Silent Knight by Honeywell EVS-50WBD is a commercial-grade, 50-Watt internal replacement amplifier circuit board assembly. It is engineered exclusively as a direct drop-in service part for the EVS-50W Intelligent Distributed Amplifier enclosure. Serving as the primary processing and power engine for the voice evacuation system, this board interfaces directly with Silent Knight Series 6000 emergency communication panels (such as the 6820EVS). The board manages multi-zone audio distribution, supervision signals, and local power regulations. By replacing only the internal board assembly, technicians can resolve internal hardware component errors without needing to detach the existing system enclosure, conduit, or field wiring.

Key Features

• Direct field replacement internal main circuit board assembly designed exclusively for the Silent Knight EVS-50W distributed amplifier.
• Delivers up to 50 Watts of crisp, reliable digital audio power for building-wide mass notification and voice evacuation paging.
• Selectable output terminal configuration supporting either 25VRMS or 70.7VRMS speaker distribution networks.
• Governs four onboard class-addressable speaker circuits, expandable up to eight total audio pathways when paired with an EVS-CE4 module.
• Utilizes a convenient six-wire connection structure to tie back into the master system panel, using two wires for the voice bus and four wires for the SBUS.
• Fully supervised by the master fire alarm control panel to immediately report open circuits, short circuits, or ground faults.