Gamewell-FCI by Honeywell
SpectrAlert Advance Series of low-frequency fire alarm sounders and sounder strobes meet National Fire Protection Association code requirements for sleeping areas in commercial buildings. They produce a low frequency alarm signal centered around 520 Hz. Listed for wall and ceiling mount installations, with field selectable candela settings.
SC Johnson Professional: Alcare Extra with OPTIDOSE
Horton Automatics: BH Slider
Kimball International: Shore
Protimeter: Aquant
Sensaphone: Sentinel PRO