BS 2620 is a spherical speaker designed for suspended installation. Ideal for covering large areas, it incorporates a 6” loudspeaker which provides high quality sound reproduction with excellent voice intelligibility. Suspended spherical speaker unit for applications that require particularly uniform sound distribution. Ideal for covering large areas from high ceilings. This loudspeaker has inside a transformer that allows the connection to 100V constant voltage line. When connected to a 100V line, its power can be selected among the values 20/15/10/5/2.5W through the selection 7 inputs wire.