Featuring breakthrough Sound Motion technology for a more expansive soundstage, Arc Ultra brings your entertainment to life like no other soundbar. Experience clearer dialogue, deeper bass, and more detailed sound that precisely surrounds you from every direction, all in an unbelievably sleek design. Dolby Atmos takes immersion to a whole new dimension, creating a 9.1.4 spatial audio experience. Speech Enhancement, powered by AI, detects the human voice to clarify dialogue, giving you greater control so you never miss a word. Quickly set up Arc Ultra with the included HDMI cable, and enjoy streamlined control with your TV remote. You can also use the Sonos app, the touch controls on top of the soundbar, Sonos Voice Control, and Amazon Alexa. When your TV is off, stream music and more from all your favorite services using WiFi and Bluetooth. Add a Sonos Sub and Era 300 rear speakers for the ultimate Dolby Atmos surround sound experience. Listen all around your home when you add Sonos speakers to other rooms.