756W power capability delivers powerful, immersive sound True 11.1.4 channel full surround, provides multidimensional audio experience Wireless Dolby Atmos delivers cinematic, immersive sound with clear, precise audio Bluetooth and Wi-Fi connectivity allow seamless wireless streaming from different devices Q-Symphony allows you to simultaneously play sound from your soundbar and your TV's speakers, creating an immersive, multi-layered audio environment SpaceFit Sound Pro automatically analyzes your room and optimizes the sound output, ensuring the best audio performance Required accessories (sold separately) HDMI or optical digital cable, depending on how you're connecting the sound bar to the TV