Experience an extraordinary cinematic surround sound in an immersive, enveloping soundstage with Polk Monitor XT20 Bookshelf Speaker. Featuring a dynamic balanced acoustic array with a 1” High-Resolution Terylene Tweeter and a 6.5" Woofer, this speaker delivers hi-resolution, lifelike audio and punchy, responsive bass, with low distortion for all your movies, music, and video games. With high sensitivity and 4 & 8 Ohm compatibility, the MXT20 delivers realistic sound from nearly any amplifier or receiver—including the latest Dolby Atmos and DTS:X surround sound AVRs. It is Hi-Res Audio Certified, and Dolby Atmos and DTS:X compatible and can be used as a front, rear or surround speaker for any multi-channel home theater setup. Create a complete home theater by adding other Monitor XT Series speakers (sold separately). Add the MXT60 tower pair, MXT30 center channel, MXT90 height module and MXT12 subwoofer for a complete 5.1 surround setup. Elevate any home configuration and get extraordinary sound reproduction from any part of the room.