Secutron AUDMAX-MASTER Master Panel: Microphone, Main Display, Main Board, 1 X 30W Amplifier, Dead front, Red Door, Backbox, Back Plate, Transformer The AUDMAX-MASTER is an emergency and fire alarm audio system designed to provide notification for small to medium applications. The AUDMAX-MASTER supplies 30W for audio output and 5A for Notification Appliance Circuits (NAC). The optional 30W Amplifier Module increases audio output to 60W. Notifications can be sent using stored digital message recordings, the master microphone, or remote microphones. The AUDMAX-MASTER comes with standard notifications and can store up to 14 messages for a total of 12 minutes of digital message recordings. Up to six remote microphones and/or LOCs can be connected to the AUDMAX-MASTER. Features Up to 60W per enclosure (2 x 30W amplifiers) and up to 360W per system2 x 2.5A Regulated 24V outputs for horns and strobes (NACs); System expandable to 12 x 2.5A NACs, 30A totalClass A or Class B Speaker and NAC wiringField selectable 25V or 70.7V audio outputComes with standard digital messages for fire, emergency, evacuation, weather, and all clearSelect from up to 14 digital messages at the panelCustom message upload using the software configuratorStores up to 12 minutes of audio messagesMaster microphone input with push-to-talk (PTT)Supports up to 6 remote microphones and / or LOCs