Polk Audio TSx 150C Center Channel Speaker - Black TSx Series bi-laminate composite driver cones, tuned perfectly with our Dynamic Balance process, produce smooth, natural sound. They are lightweight, but super stiff, with exceptional damping, for high efficiency and low distortion. All Polk loudspeakers are timbre-matched within their series, designed with the same components throughout, to achieve seamless speaker-to-speaker blending effects in multi-channel systems. Reversible, aimable, all-MDF enclosure is non-resonant, and features a 5/8-inch-thick baffle, for heavy duty high performance in a center channel speaker. Gold-plated, professional-style 5-way binding posts, for the most secure connection options. 5 YEARS parts and warranty