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Sonos Ace — TV Audio Swap · Dolby Atmos · Wireless Home Theater
Sonos

Sonos Ace

TV Audio Swap · Dolby Atmos · Wireless Home Theater

87
/ 100
From $449
VS
Bose QC45 wins by 1
Bose QC45 — Over-ear · 2021
Bose

Bose QC45

Over-ear · 2021

88
/ 100
From $329
Specdex verdict

Bose QC45 takes it — here’s why.

In our weighted Specdex score, Sonos Ace lands at 87 and Bose QC45 at 88. That puts Bose QC45 ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Sonos Ace if…

  • ✓Unique TV Audio Swap with Arc soundbar
  • ✓Great ANC
  • ✓Spatial audio

Pick Bose QC45 if…

  • ✓Flagship comfort + ANC on modern models
  • ✓Premium build
  • ✓Active noise cancellation (most models)
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Winner by scenario

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

Sound quality

Sonos Ace

Tuning, detail, and staging

Sonos Ace leads on sound (90 vs 88).

Noise cancelling

Sonos Ace

ANC strength for commute and travel

Sonos Ace leads on anc (90 vs 86).

Comfort

Tie

Long-session wearability

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Bose QC45

Specdex score per dollar at MSRP

Bose QC45 more score per dollar ($329 vs $449).

Sonos Ace 87
vs
88 Bose QC45

Score breakdown

Sonos Ace
87
anc 90
sound 90
comfort 88
battery 84
features 92
Bose QC45
88
anc 86
sound 88
comfort 87
battery 82
features 84

Specs side-by-side

Sonos Ace versus Bose QC45 — full spec comparison
Spec Sonos Ace Bose QC45
Driver
40 mm dynamic
—
Battery
30 h
—
Weight
312 g
—
Codecs
aptX Lossless via Snapdragon Sound
—
Type
—
Over-ear
Release year
—
2021

Sonos Ace

Pros
  • +Unique TV Audio Swap with Arc soundbar
  • +Great ANC
  • +Spatial audio
Cons
  • −Swap feature only works with Arc/Arc Ultra
  • −Sonos app issues
  • −Heavy

Bose QC45

Pros
  • +Flagship comfort + ANC on modern models
  • +Premium build
  • +Active noise cancellation (most models)
Cons
  • −Battery varies by codec
  • −Some are Bluetooth-only
  • −Price creep vs previous gen

FAQ: Sonos Ace vs Bose QC45

Which is better, Sonos Ace or Bose QC45? +

Bose QC45 scores 88 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.

Is Sonos Ace worth the price? +

At $449, Sonos Ace delivers a Specdex score of 87 — strongest in features.

Is Bose QC45 worth the price? +

At $329, Bose QC45 delivers a Specdex score of 88 — strongest in sound.

Does Sonos Ace or Bose QC45 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 quality, Sonos Ace or Bose QC45? +

Sonos Ace — leads on sound (90 vs 88). Tuning, detail, and staging.

Which is better for noise cancelling, Sonos Ace or Bose QC45? +

Sonos Ace — leads on anc (90 vs 86). ANC strength for commute and travel.