The SEF Series Low Profile Speakers and Speaker Strobes are designed for high efficiency sound output, with dual voltage (25/70 VRMS) capability and field selectable taps from 1/8 to 2 watts. The low profile design incorporates a speaker mounting plate for faster and easier installation. Each model has a built-in level adjustment feature and a two (2) screw grille cover. Strobe options for wall mount models include MC multi-candela strobe with field selectable candela settings of 15/30/75/110cd or the high intensity HMC strobe with field selectable settings of 135/185cd. Ceiling mount models are available in MC-C multi-candela ceiling strobe with field selectable intensities of 15/30/75/95cd or the high intensity HMC-C strobe with field selectable settings of 115/177cd. The SEF Series Speakers and Speaker Strobes provide high audio output with clear audibility and are designed to meet the critical needs of the life safety industry for effective emergency voice communications, tone signaling and visible signaling to alert the hearing impaired.