3-ASU/4 | Edwards Signaling Audio Source Unit for Voice Evacuation and Paging SystemsDescription The Edwards Signaling 3 ASU 4 Audio Source Unit is a modular audio distribution and signal control device designed for use with Edwards fire alarm and emergency communication systems. It provides reliable audio input and routing functions for voice evacuation, paging, and alerting operations. The unit ensures clear, consistent sound transmission in life safety and mass notification systems. Technical Specifications Condition New Never Used
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3-ASU/4 | Edwards Signaling Audio Source Unit for Voice Evacuation and Paging Systems