Klipsch RP-440C  Center Channel Speaker - Cherry The Reference Premiere RP-440 center Channel speaker provides clarity and accuracy to your home theater system with a stylish brushed baffle and four cerametallic copper woofers 1-Inch linear travel Suspension titanium tweeter. Quad 4-Inch Spun Copper Cerametallic Cone Woofers 90x90 Hybrid Tractrix Horn, All New Tractrix Port, Strong, Flexible Removable Grille. All New Tractrix Port