Monitor/talkback amplifier and companion unit to DG Series Base Stations when two-way listen/talkback is required. Has a 3" built-in speaker for monitoring audio and a hand-held dynamic microphone for talkback to the remote zones. "All Call" feature for addressing all zones simultaneously. Unit has monitor and talkback level controls, Input/Output jacks for recording and playback from a standard (2 hour) VCR, and headphone jack. Back panel contains ten audio inputs for accepting up to ten DG25III Base Stations. Rack mountable.
As part of the alarming audio monitoring system, the DG-MA provides bi-directional communications with the remote speaker/microphone that are monitoring: