Heavy duty round horn speakers for voice alerts and public address in outdoor or indoor areas. Constructed from a spun aluminium flare with a weatherproof ABS rear cover and reflex cone. The fibreglass compression driver is connected to a 100V transformer with a 4-core cable offering 3 different power tappings. Tested to withstand the harshest elemental conditions and suitable for industrial installations, these horns offer reliable and consistent performance in almost any environment.