More on Amazon.com : http://www.amazon.com/gp/product/B000V2OQM0?tag=purrfectcatdi-20 <br /> <br />Polk Audio CSI A4 Center Channel Speaker (Single Cherry) <br /> <br />A single center channel speaker timbre-matched to fit any Polk Audio home theater or multi-channel music system <br />Two 525-inch dynamic balanced drives with polymer composite cones <br />One 1-inch silk composite dome tweeter <br />Features a neodynium magnet low viscosity ferro-fluid cooling and a heat sink on the back of the magnet <br />All MDF construction and extensive asymmetric cabinet bracing ensure resonance-free enclosures
