It’s a 5-driver 3.0 system, so you get left/center/right channels, and you can expand it to 5.1 with the same Bose Bass Module 700 and Bose Surround Speakers 700 supported by the Bose Smart ...

Bose also has rethought the way you work with ANC on the QC Ultra. On the NCH 700, you could reach into the Bose Music app and manually adjust the amount of noise cancellation at any time.