JBL Control One SI

Control One SI - 2-Way, 10.16 cm (4 ") , 1/2", 50W, 50Hz - 20kHz With a compact, two-way design in the JBL® professional tradition, Control® series monitors take true studio sound to places where only boom boxes have been before.
The Control One speaker (available in black or silver) is the original versatile and rugged monitor loudspeaker. For music or movies, these speakers cram more than 60 years of JBL expertise into an unobtrusive package.