Featuring breakthrough Sound Motion technology, 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. An advanced version of Speech Enhancement gives you greater control over dialogue clarity so you never miss a word. Get set up in minutes 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 Arc Ultra, Sonos Voice Control, and Amazon Alexa. When your TV is off, stream music and more from all your favourite services using WiFi and Bluetooth. Add a Sonos Sub and Era 300 rear speakers for the ultimate Dolby Atmos surround sound experience.