Powered satellite speakers and subwoofer * Touch-volume and mute controls on satellite * Bass and treble control on satellite * Subwoofer (W x H): 9" x 9" (230mm x 230mm) * Satellite (W x H): 3" x 3" (75mm x 75mm) * Big sound without a lot of space-invading * Built to perform and with accurate frequency response * Outstanding compatibility