A line array PA speaker consists of an array of smaller speakers placed in a linear configuration. This arrangement provides good control over the distribution of sound. All the speakers in the array contribute to producing a combined sound that is more distinct and better balanced for coverage. Line array PA speakers are popular for large outdoor concerts and sporting events because of their sound quality over a large area. They eliminate overlaps and reflections of sound so that the audience hears the sound in balance and clearly irrespective of the position of seat. The physical orientation of the array allows to raise or lower the sound direction which helps make best use of the acoustics.