Inim SPI-C66100 ceiling speaker for voice alarm systems, EN54-24 certified. 6,5'' ceiling speaker, flush mount equipped with two metal spring clips for quick assembly. For indoor use (Type A) IP21C. Line input 100V rms or 70V rms. Rated output selectable : 6W/3W/1,5W@100V. SPL : 91dB(1W@1m). Ceramic block, thermal fuse and metal rear dome included. Metal housing