Siemens S-HQ

DescriptionModel S-HQ is an 8-inch ceiling speaker that is a part of the Siemens Series of Fire Alarm Signaling Devices. Model S-HQ, which can either be mounted with the Ceiling Support Bridge (Model SB-W) or the Ceiling Speaker Back Box (Model SE-1), is fastened to a metal, 12-inch (30.5 cm.) round grille with white, powder-coated finishing. Furthermore, Model S-HQ is Underwriters Laboratories Listed and Factory Mutual Approved.