HLE-3T loudspeaker is an explosion-proof compression driver/horn assembly engineered for high-efficiency voice and electronic signal communication in hazardous areas. Drivers, which are protected within a rugged die-cast aluminum housing, have 60-watt power handling. Includes a factory-installed, internally mounted transformer (Note: To meet UL requirements transformer must be factory installed). Model is equipped with 1/2" conduit access and an adjustable mounting bracket.