KEF iQ6C 3-Way Center Channel Speaker (Black Ash) (Discontinued by Manufacturer) Three-way bass reflex design; elegant black ash wood finish Drive units: 2 x 130mm (5-1/4 inch) LF, 130mm (5-1/4 inch) Uni-Q, 19mm (3/4 inch) aluminum dome HF Frequency response: 65Hz - 40kHz Sensitivity (2.83V/1m): 90dB Dimensions (HxWxD): 6.5 x 20.1 x 10 inches