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Samsung HW-Q900C — $999
Samsung

Samsung HW-Q900C

$999

86
/ 100
From $999
VS
Sonos Arc Ultra wins by 6
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
Specdex verdict

Sonos Arc Ultra takes it — here’s why.

In our weighted Specdex score, Samsung HW-Q900C lands at 86 and Sonos Arc Ultra at 92. That puts Sonos Arc Ultra ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Samsung HW-Q900C if…

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

Pick Sonos Arc Ultra if…

  • ✓Massive bass without a sub
  • ✓9.1.4 channel processing
  • ✓Easy TrueCinema tuning
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Winner by scenario

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

Sound

Sonos Arc Ultra

Compared on the sound sub-score

Sonos Arc Ultra leads on sound (94 vs 86).

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).

Value for money

Tie

Specdex score per dollar at MSRP

Effectively tied — similar score-per-dollar at MSRP.

Samsung HW-Q900C 86
vs
92 Sonos Arc Ultra

Score breakdown

Samsung HW-Q900C
86
sound 86
features 84
design 84
ease 86
Sonos Arc Ultra
92
sound 94
features 90
design 92
ease 90

Specs side-by-side

Samsung HW-Q900C versus Sonos Arc Ultra — full spec comparison
Spec Samsung HW-Q900C Sonos Arc Ultra
Channels
—
9.1.4
Drivers
—
14 + Sound Motion woofers
Connectivity
—
eARC HDMI, Wi-Fi 6, BT 5.0
Atmos
—
Dolby Atmos

Samsung HW-Q900C

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

Sonos Arc Ultra

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

FAQ: Samsung HW-Q900C vs Sonos Arc Ultra

Which is better, Samsung HW-Q900C or Sonos Arc Ultra? +

Sonos Arc Ultra scores 92 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.

Is Samsung HW-Q900C worth the price? +

At $999, Samsung HW-Q900C delivers a Specdex score of 86 — strongest in sound.

Is Sonos Arc Ultra worth the price? +

At $999, Sonos Arc Ultra delivers a Specdex score of 92 — strongest in sound.

Does Samsung HW-Q900C or Sonos Arc Ultra 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 sound, Samsung HW-Q900C or Sonos Arc Ultra? +

Sonos Arc Ultra — leads on sound (94 vs 86). Compared on the sound sub-score.

Which is better for design, Samsung HW-Q900C or Sonos Arc Ultra? +

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