SIMPLEX TrueAlert ES audio speakers — the fire alarm industry’s first addressable speakers with individual speaker audio on-off control — take notification to another level of capability, safety and value for architects, engineers, installing contractors, building owners and facility managers. TrueAlert ES-addressable speakers offer revolutionary appliance self-testing capability and are specially designed to provide higher quality audio output, improved aesthetics and sophisticated emergency message delivery, the company explains.

Tyco SimplexGrinnell.