SKE-450ZN4 | Silent Knight 50W Voice Evacuation System with 4-Zone Splitter

Silent Knight · Industrial Automation & Electrical

Description  The Silent Knight SKE-450ZN4 is a 50-watt voice evacuation system with a built-in digital message repeater, power supply, and supervised microphone. Designed for fire and life safety applications, it provides reliable emergency voice instructions through 4 speaker zones. The SKE-450ZN4 supports both 25V and 70.7V operation and allows field programming or remote message download for maximum flexibility in new or retrofit installations.     Technical Specifications  Condition New/Never Used Surplus Brand Silent Knight Category Fire Alarm Equipment Part Number SKE-450ZN4 Subcategory Voice Evacuation System Output Power 50 watts total Speaker Circuits 25V or 70.7V RMS, Class A or B Zones 4-zone splitter with All Call function Inputs Two alarm inputs (reverse polarity and supervised dry contact) Audio Storage Three programmable digital messages (up to 45 seconds) Microphone Built-in supervised microphone Digital Processing Integrated DSP for tone generation and control Indicators LEDs for Speaker Trouble, Alarm, Mic Trouble, Ground Fault, Low Battery, Power Cabinet Type Dead-front metal enclosure Compliance UL Listed, CSFM Listed, MEA 429-92-E Vol. XI Country of Origin United States Dimensions 3.46 × 14.50 × 26.42 in Weight 16 lbs   Information About  SKE-450ZN4 The SKE-450ZN4 is part of the Silent Knight SKE-Series Voice Evacuation Systems, engineered for effective and compliant emergency communication. It integrates seamlessly with fire alarm control panels and includes a four-zone splitter that allows Class A or B speaker configurations. The system offers dual alarm inputs, programmable audio playback, and a supervised microphone for paging and configuration. With built-in digital signal processing and tone generation, the SKE-450ZN4 ensures clear, consistent audio performance in commercial and institutional facilities. Key Features: 50-Watt Output Power: Supports 25V or 70.7V speaker circuits for a range of installations. 4-Zone Splitter: Divides the amplifier output into four supervised Class A or B zones with All Call capability. Digital Message Repeater: Stores and replays pre-recorded or field-programmable evacuation messages. Supervised Microphone: Enables paging and local message recording directly through the control panel. Dual Alarm Inputs: Triggered via reverse polarity or supervised dry contact for flexible activation options. Programmable Audio: Messages can be updated via line input, onboard mic, or downloaded through the internet. Visual Indicators: Includes LEDs for speaker trouble, alarm, microphone trouble, low battery, and ground fault. Rugged Metal Cabinet: Dead-front design prevents tampering and protects internal electronics. The SKE-450ZN4 delivers the reliability and precision required for clear, coordinated voice evacuation in life safety and fire alarm systems.

Brand: Silent Knight · Category: Industrial Automation & Electrical

Key features

• 50-Watt Output Power: Supports 25V or 70.7V speaker circuits for a range of installations.
• 4-Zone Splitter: Divides the amplifier output into four supervised Class A or B zones with All Call capability.
• Digital Message Repeater: Stores and replays pre-recorded or field-programmable evacuation messages.
• Supervised Microphone: Enables paging and local message recording directly through the control panel.
• Dual Alarm Inputs: Triggered via reverse polarity or supervised dry contact for flexible activation options.
• Programmable Audio: Messages can be updated via line input, onboard mic, or downloaded through the internet.
• Visual Indicators: Includes LEDs for speaker trouble, alarm, microphone trouble, low battery, and ground fault.
• Rugged Metal Cabinet: Dead-front design prevents tampering and protects internal electronics.

Specifications

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