Passive Column Speaker can be applied to different occasions vary in area sizes and background noises, such as station, park, school, square, military camp, industrial park, beach,...
Column speaker
Column Speakers use multiple speaker cones to create a slim line column offering excellent vertical sound dispersion with a long 'throw', but coverage is limited horizontally. Columns are often used for public address in airports, railway stations, lecture theatres, churches and other houses of worship.
