Simplex 4100-1253 - Audio IF Module Multi-Channel

The Simplex 4100-1253 Audio IF Module is a 1.5-channel audio operator interface designed for use with Simplex 4100U and 4100ES fire alarm control panels. It provides an LED and switch interface for controlling and monitoring emergency voice and alarm communication functions. The module supports audio and microphone operation and mounts in a single expansion bay slot. It is intended for professional fire and life safety installations where dependable voice communication, alarm tones, and emergency messaging are required. The 4100-1253 is designed to integrate with compatible Simplex audio systems and provides operator controls for functions such as evacuation signaling and audio communication.