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
The HN-S600P features 3 microphones, 2 auxiliary inputs and 1 line out. It comes with an automated mute function for paging and announcements, as well as individual input gain controls (with master vo