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.

FEATURES

• 3" Speaker for monitoring audio
• 3W monitor amplifier with volume control
• Headphone jack for private listening
• Hand-held dual impedance microphone for talkback (provided)
• "All Call" switch to page all zones simultaneously. (25 zones max without external amplifier)
• 20W output, 70V line
• LED indicator when talkback circuit is in use
• Input/output jacks for connection to VCR
• Input to accommodate up to 10 cascaded DG-25III Base Stations

APPLICATIONS

As part of the alarming audio monitoring system, the DG-MA provides bi-directional communications with the remote speaker/microphone that are monitoring:

• Stairwells
• Elevator Cabs and Lobbies
• Public Access Buildings
• Parking Structures
• Juvenile Detention Centers