The Hisense 3.1CH Soundbar comes equipped with a wireless 6.5″ Subwoofer and is the perfect addition to your home entertainment setup.3.1 CH Dolby Atmos Immersive Audio – Feel like you’re right inside the audio action.280 Watt Max Audio Power – Powerful yet comfortable sound for movies, games or music.AI EQ & Pre-set EQ Modes – The AI EQ powers to provide the perfect listening experience for you or you can choose from a wide range of EQ modes.Multiple Connections – Bluetooth 5.0, HDMI eARC, USB, Optical, AUX & Coaxial.