Enjoy movies, gaming, and multi-channel music in high-resolution cinematic sound with Polk’s full-range ES20 wall-mountable, compact bookshelf speaker – suited for audiophiles, movie buffs, and home theater enthusiasts. Featuring a Dynamically Balanced acoustic array with a 1” High-Resolution Terylene Tweeter, a 6.5” Mica-Fortified Polypropylene Woofer, and Precision Crossovers, the ES20 Passive Bookshelf Speakers deliver crystal-clear, highly detailed sound with the energy of live music – no matter what you’re listening to or where you’re sitting in the room. Polk’s Patented Power Port Bass Enhancing Technology extends the overall bass port and provides greater surface area for distortion-free, louder bass impact. It is Hi-Res Audio Certified and ensures accurate sound reproduction from even the latest Dolby Atmos and DTS:X surround sound AVRs and amplifiers. The Signature Elite Series is designed with quality, timbre-matched Polk components to enable you to mix and match models and build your dream home theater or music listening environment. Add the Signature Elite ES60 tower pair, ES35 center channel, and any sub for a complete 5.1 surround home speaker system.