Series HLE and MLE loudspeakers are explosion-proof compression driver/horn assemblies engineered for high-efficiency voice and electronic signal communication in hazardous areas. Drivers, which are protected within a rugged die-cast aluminum housing, are available in 60-watt (HLE Series) and 30-watt (MLE Series) power handling versions. Models with T suffix include a factory-installed, internally mounted transformer (Note: To meet UL requirements transformer must be factory installed). All models are equipped with 1/2" conduit access and an adjustable mounting bracket. Projector horns are available in two styles to meet dispersion requirements. Model HLE/MLE-30 is a high-quality, polycarbonate projector that creates a 120 ° x 60 ° pattern for wide area coverage. Model HLE/MLE-32 is a spun aluminum bell providing a 95 ° circular distribution emphasis.