• The Control Now have a unique arced enclosure that makes these speakers perhaps the most flexible ever developed. Individually, or in a circular or semicircular array of up to four speakers, there‚Äôs virtually no place where JBL Control NOW speakers cannot go. Single speakers may be mounted horizontally or vertically on walls, and in corners between walls or between walls and ceilings. They can sit horizontally or vertically on a shelf or tabletop.