Simplex 4902-9721 Speaker

Simplex 4902-9721, Series speakers provide high quality sound for emergency fire alarm use as well as for background
music. The moisture-repellent speaker is designed for
smooth frequency response with minimal distortion.The multi-tapped speaker transformer accommodates either 25 or 70.7 VRMS and provides an output of from 1/4 to 2 W to provide flexibility for satisfying the requirements of the installed conditions