The Polk Audio Signature Elite ES30 is a center channel speaker designed to enhance home theater systems by providing clear dialogue and full-range sound. It features a 1-inch Terylene tweeter, dual 5.25-inch mica-fortified woofers, and the company's patented Power Port technology for deep bass. The speaker is Hi-Res Audio certified and Dolby Atmos/DTS:X compatible, and is built with an acoustically inert cabinet to reduce distortion.