Dolby Audio 3.1 channel/DTS sound lets you experience immersive sound at all angles Wireless subwoofer, featuring bass boost, produces crystal clear bass and sub-bass tones Bluetooth enabled, so you can pair this sound bar with your favourite device Built-in center speaker is designed to enhance human voices and provide clear dialogue Adaptive sound ensures that each scene is full optimized Required accessories (sold separately) HDMI or optical digital cable, depending on how you're connecting the sound bar to the TV