The low-profile Signa S4 certified with Dolby Atmos 3.1.2 sound bar comes with a 5.9" wireless subwoofer that together deliver powerful, crystal-clear, cinematic 3D surround sound with any HD TV, even the latest 8K Ultra-HD TVs, with single-remote connectivity. As a versatile entry in home audio sound bars, this streamlined unit stands just over 2", so it never blocks your TV's sensor whether you wall-mount it or place it on a shelf. Features Polk's patented Voice Adjust technology, allowing you to dial in speech while leaving the soundtrack untouched, so dialogues stay clear. Bass Adjust Technology lets you tame or unleash low end on both the bar and sub simultaneously for deeper impact. Experience true 3D audio—added warmth in music, sharp effects like gunshots, or the whir of choppers overhead—Dolby Atmos certification lifts virtual height cues right to your seat. Stream playlists over bluetooth tv speakers via Amazon Music HD, Apple Music, Roon, Qobuz, Spotify, Tidal and more. The HDMI eARC output ensures uncompromised playback. This bluetooth sound bar with subwoofer as works great as a compact surround sound system for TV. A great sound bar that comes a value never imagined before!