Single Loop Networkable Panel. 126 point capacity w/sub-addressing, 2 - Class A/B NACs, 3 - Form C relays, 5.0A-24 VDC power supply/battery charger. Includes AV-AMP-80 Audio Board w/two 40 watt speaker outputs, AX-PSU-6 Power Supply and AV-MIC Microphone. Standard enclosure (backbox: 22.6"H x 14.5"W x 5.5"D). Comes with 2x3 Matrix AX-01-ID2 inner door, and large plexliglass style outer door AX-01-OD2. Add suffix "G" when ordering gray enclosure.