Monitor XT30 - Overview Compact and affordable, Monitor XT30 high-performance, center channel loudspeaker maximizes the enjoyment of movies and gaming with clear, focused dialogue and dynamic, high-resolution, full-range sound. Clear, Focused Hi-Res Sound Monitor XT30 maximizes your enjoyment of movies, TV and gaming with crystal clear, focused dialogue, effortless bass, and dynamic, high-resolution sound. Hi-Res Audio Certified, Dolby Atmos and DTS:X compatible, and in a modern, affordable design, the MXT30 fulfills the Polk promise of great sound for all. Surprisingly Effortless Bass Polk has always been known for speakers that produce effortless bass that’s surprising for their size. The MXT30 is no exception. Dual 5.25” high-efficiency, dynamically balanced woofers provide a clean, open mid-range and punchy, responsive bass, with low distortion—leaving voices and music clear while filling concerts, movies and games with impact.