Fireman's panel with microphone for emergency broadcasts in order to evacuate building occupants in emergency situation. In addition to the dynamic hand-help microphone with talk button for live announcements, the panel allows the activation of the emergency mode and sends prerecorded messages of warning and evacuation. With microphone audio level adjust, audio level indicator and monitor speaker. It is installed on the front of the audio matrix. OPTIMUS model ref. ME-200B.