Relish the immersive audio experience created by this Klipsch Reference II subwoofer. The spun-copper injection-molded-graphite subwoofer and built-in digital amplifier provide high-volume bass free of distortion, while its 29 to 120 Hz frequency response lets you enjoy an extensive range of sound. The 12-inch height and brushed polymer-veneer finish on this 400W Klipsch Reference II subwoofer enhance the look of your entertainment setup. 400 W peak power (200W RMS); integrated Class D amplifier; 12" woofer; phase control; volume control; bass-reflex enclosure; 29-120Hz frequency response; wired connectivity; 2 RCA inputs. Overall Dimensions: 16.5" x 14" x 19.2".