Canadian Consulting Engineer

Horn speaker migrates to IP network integration

December 22, 2020

It can broadcast in four different modes.

TOA Canada IP-A1SC15 horn speaker

The new IP-A1SC15 horn speaker from TOA Canada, based in Mississauga, Ont., is intended to help add intelligible audio to buildings’ video security management systems, to better enable live announcements in emergency situations.

Constructed from aluminum, the device joins TOA’s existing SC series of horns. It can broadcast in four different modes: Session Initiation Protocol (SIP) live voice announcement; group broadcasting (for up to 10 different groups); video management system (VMS) live broadcast, with connected camera or audio device; and remote application programming interface (API) audio playback, with up to 20 sound sources.

The horn’s ability to prioritize network announcement with prerecorded messages can support swift action in emergencies, while an offset volume adjustment function allows sound levels to be increased or decreased based on the time of day.


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