Feature: Commercial fireproof ceiling speaker with transformer. Ideal for school, office, hotel and airport voice evacuation and PA system. Compliant with the EN54-24 EVAC standard. Ceramic connector, fire dome, 95℃ fire-resistant cable and thermal fuse. Rated power output 1.5W-3W-6W at 100V. 6″ full range speaker unit. Line input 100V or 70V with transformer. Metal enclosure, metal grille in white and fire dome in red. In-ceiling quick installation by spring clip. Specification: Model DS-EN32FCS Description 6” Fireproof Ceiling Speaker Rated Power Output 1.5W-3W-6W Line Input 100V or 70V Frequency Response 120-18KHz SPL(@1W/m) 92dB Speaker Unit 6” full range speaker unit Cutout Size 204mm Dimension 230×133mm Material Metal enclosure, metal grille in white and fire dome in red Mounting Way In-ceiling spring clip quick installation Weight 1.7kg