BP-325, from RTS Intercom Systems, is a professional wired intercom device used in event production. It interfaces with RTS beltpacks and master stations via standard two-wire audio paths, supports configurable call routing, programmable keys, and status indicators, and is designed for rugged live use with rack-mount or portable deployment. It provides compatible power input and I/O options for stage, security, and paging systems, following RTS signaling standards and supporting scalable installations.