FDM-1 is a standard-sized dual monitor module used to monitor and supervise two independent two-wire Style B (Class B) dry-contact initiating device circuits (IDCs) at two separate, consecutive addres
This best-of-breed mixer amplifier comes with 3-level priority with mute function, 7-band graphic equaliser and 5-zone remote paging microphone. It can be extended by adding an audio mixer and power a