Should I buy the Bose Smart Ultra Soundbar or Sonos Arc?

If you mean the Bose Smart Ultra Soundbar versus the original Sonos Arc, I’d frame it this way:

• Pick the Bose Smart Ultra if your top priority is clear dialogue and a simple, polished setup for TV and movies.
• Pick the Sonos Arc if you already use Sonos speakers or care more about building a whole-home audio system.

For a single soundbar focused on TV listening, the Bose is often the more straightforward choice for voices and ease of use. If you want the best ecosystem fit and plan to expand later, Sonos is usually the stronger long-term buy.

If you actually meant the Sonos Arc Ultra, I can compare that directly too.