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Sonos Arc Ultra — 9.1.4 Atmos · Sound Motion woofers · eARC
Sonos

Sonos Arc Ultra

9.1.4 Atmos · Sound Motion woofers · eARC

92
/ 100
From $999
VS
Sonos Arc Ultra wins by 12
Yamaha YAS-209 — $349
Yamaha

Yamaha YAS-209

$349

80
/ 100
From $349
Specdex verdict

Sonos Arc Ultra takes it — here’s why.

In our weighted Specdex score, Sonos Arc Ultra lands at 92 and Yamaha YAS-209 at 80. That puts Sonos Arc Ultra ahead by 12 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 Yamaha YAS-209 if…

  • ✓Dolby Atmos on most
  • ✓One-box simplicity
  • ✓eARC passthrough
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Design

Sonos Arc Ultra

Compared on the design sub-score

Sonos Arc Ultra leads on design (92 vs 84).

Ease of use

Sonos Arc Ultra

Compared on the ease of use sub-score

Sonos Arc Ultra leads on ease (90 vs 86).

Sound

Sonos Arc Ultra

Compared on the sound sub-score

Sonos Arc Ultra leads on sound (94 vs 80).

Value for money

Yamaha YAS-209

Specdex score per dollar at MSRP

Yamaha YAS-209 more score per dollar ($349 vs $999).

Sonos Arc Ultra 92
vs
80 Yamaha YAS-209

Score breakdown

Sonos Arc Ultra
92
sound 94
features 90
design 92
ease 90
Yamaha YAS-209
80
sound 80
features 78
design 84
ease 86

Specs side-by-side

Sonos Arc Ultra versus Yamaha YAS-209 — full spec comparison
Spec Sonos Arc Ultra Yamaha YAS-209
Channels
9.1.4
—
Drivers
14 + Sound Motion woofers
—
Connectivity
eARC HDMI, Wi-Fi 6, BT 5.0
—
Atmos
Dolby Atmos
—

Sonos Arc Ultra

Pros
  • +Massive bass without a sub
  • +9.1.4 channel processing
  • +Easy TrueCinema tuning
Cons
  • −No DTS:X
  • −App glitches
  • −Expensive

Yamaha YAS-209

Pros
  • +Dolby Atmos on most
  • +One-box simplicity
  • +eARC passthrough
Cons
  • −Rear surrounds sold separately on some
  • −App quality varies
  • −Cabinet depth needs space

FAQ: Sonos Arc Ultra vs Yamaha YAS-209

Which is better, Sonos Arc Ultra or Yamaha YAS-209? +

Sonos Arc Ultra scores 92 on our weighted rubric — ahead by 12. 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 Yamaha YAS-209 worth the price? +

At $349, Yamaha YAS-209 delivers a Specdex score of 80 — strongest in ease.

Does Sonos Arc Ultra or Yamaha YAS-209 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.

Which is better for design, Sonos Arc Ultra or Yamaha YAS-209? +

Sonos Arc Ultra — leads on design (92 vs 84). Compared on the design sub-score.

Which is better for ease of use, Sonos Arc Ultra or Yamaha YAS-209? +

Sonos Arc Ultra — leads on ease (90 vs 86). Compared on the ease of use sub-score.