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.