The JBL CSPM-4 series microphone is a dynamic close-talking microphones for paging systems in bars/pubs, theatre lobbies,department stores, and more.
The CSPM-4 contains a momentary PTT button and four latching buttons for selecting zones.
The CSPM-4 isideal for use with two JBL Commercial CSM-32 devices linked together.
A single cable attached to the CSPM-4 contains three conductors for audio (Positive, Negative, Shield) and five conductors for contact closure (Zone 1, Zone 2, Zone 3, Zone 4, Ground). Selecting a zone and pressing and holding the PTT button will route the microphone audio to that zone.
