Handling over two million passengers each year from both regular and charter flights, Billund Airport is also one of Denmark’s busiest international air cargo hubs. Recently the airport’s management wanted to add high quality background music to the announcement/voice evacuation system in three of the airport’s busiest areas, a difficult task to achieve without multiple types of loudspeaker. The Yamaha EN54-24 certified VXC4-VA proved master of the task.