The High-Resolution Home Theater Center Channel Speaker Enjoy movies, gaming and multichannel music with crystalclear dialogue and high-resolution cinematic sound. Polk’s high-performance, dedicated, full-range center channel loudspeaker features a Dynamically Balanced acoustic array, precision crossovers and Power Port bass-enhancing technology. Hi-Res Audio Certified, Dolby Atmos and DTS:X compatible, and accessibly priced, Signature Elite ES30 fulfills the Polk promise of great sound for all.