Arc Ultra Black

The soundbar also lets you stream music, podcasts, and more with Wi-Fi and Bluetooth when your TV is off. For the ultimate Dolby Atmos experience, pair the Arc Ultra with a Sonos Sub and Era 300 rear speakers.

Sonos Arc Ultra Soundbar Black (ARCG2US1BLK). Dolby Atmos spatial audio: Creates a 9.1.4 spatial audio experience, with optional expansion using Sonos Sub and Era 300 rear speakers. Sonos Arc Ultra vs. Sonos Arc.