Sonos
Sonos Arc Ultra
9.1.4 Atmos · Sound Motion woofers · eARC
92
/ 100
From $999
VS
Sonos Arc Ultra wins by 5
Bose
Bose Soundbar 900
Atmos · 9 drivers · ADAPTiQ
87
/ 100
From $899
Specdex verdict
Sonos Arc Ultra takes it — here’s why.
In our weighted Specdex score, Sonos Arc Ultra lands at 92 and Bose Soundbar 900 at 87. That puts Sonos Arc Ultra ahead by 5 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Sonos Arc Ultra if…
- ✓Massive bass without a sub
- ✓9.1.4 channel processing
- ✓Easy TrueCinema tuning
Pick Bose Soundbar 900 if…
- ✓Compact width (~1050mm)
- ✓Excellent dialog clarity
- ✓AirPlay 2 + Chromecast both supported
Sonos Arc Ultra 92
vs 87 Bose Soundbar 900
Score breakdown
Sonos Arc Ultra
92 sound 94
features 90
design 92
ease 90
value 0
Bose Soundbar 900
87 sound 88
features 88
design 0
ease 92
value 84
Specs side-by-side
| Spec | Sonos Arc Ultra | Bose Soundbar 900 |
|---|---|---|
| Channels | 9.1.4 | 5.0.2 |
| Drivers | 14 + Sound Motion woofers | 9 (5 dipole + 2 PhaseGuide + 1 woofer + 1 tweeter) |
| Connectivity | eARC HDMI, Wi-Fi 6, BT 5.0 | Wi-Fi 6, eARC HDMI 2.1, BT 5.0, AirPlay 2, Chromecast |
| Atmos | Dolby Atmos | Yes (PhaseGuide) |
| Voice | — | Alexa + Google |
| Width | — | 1050 mm |
Sonos Arc Ultra
Pros
- +Massive bass without a sub
- +9.1.4 channel processing
- +Easy TrueCinema tuning
Cons
- −No DTS:X
- −App glitches
- −Expensive
Bose Soundbar 900
Pros
- +Compact width (~1050mm)
- +Excellent dialog clarity
- +AirPlay 2 + Chromecast both supported
Cons
- −No DTS:X
- −Atmos via PhaseGuide arrays (no upfiring)
- −Expensive vs feature-matched rivals
FAQ: Sonos Arc Ultra vs Bose Soundbar 900
Which is better, Sonos Arc Ultra or Bose Soundbar 900? +
Sonos Arc Ultra scores 92 on our weighted rubric — ahead by 5. Your best pick depends on the sub-scores above.
Is Sonos Arc Ultra worth the price? +
At $999, Sonos Arc Ultra delivers a Specdex score of 92 — strongest in sound.
Is Bose Soundbar 900 worth the price? +
At $899, Bose Soundbar 900 delivers a Specdex score of 87 — strongest in ease.
Does Sonos Arc Ultra or Bose Soundbar 900 last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.