Nine speaker units deliver immersive surround sound with rich, detailed audio 360 spatial sound mapping delivers next-level immersive, cinematic sound Sound field optimization ensures movie theatre-style surround sound for everyone, regardless of the room acoustics Supports Dolby Atmos and DTS:X for cinematic, three‑dimensional surround sound Bluetooth lets you wirelessly stream music from a variety of compatible devices Bravia Connect app makes it easy to control setup and customize settings Space saving design delivers powerful sound in a compact footprint Required accessories (sold separately) HDMI or optical digital cable, depending on how you're connecting the sound bar to the TV