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Bose QuietComfort Ultra 2 — World-class ANC · 30hr · Immersive Audio
Bose

Bose QuietComfort Ultra 2

World-class ANC · 30hr · Immersive Audio

93
/ 100
From $449
VS
Bose QuietComfort Ultra 2 wins by 3
Sennheiser Momentum 4 Wireless — aptX Adaptive · 60hr · Audiophile tuning
Sennheiser

Sennheiser Momentum 4 Wireless

aptX Adaptive · 60hr · Audiophile tuning

90
/ 100
From $379
Specdex verdict

Bose QuietComfort Ultra 2 takes it — here’s why.

In our weighted Specdex score, Bose QuietComfort Ultra 2 lands at 93 and Sennheiser Momentum 4 Wireless at 90. That puts Bose QuietComfort Ultra 2 ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Bose QuietComfort Ultra 2 if…

  • ✓Deepest ANC on the market
  • ✓Comfortable for 8hr+ flights
  • ✓Bose Immersive Audio

Pick Sennheiser Momentum 4 Wireless if…

  • ✓60-hour battery — best in class
  • ✓Audiophile sound signature
  • ✓Foldable for travel
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Winner by scenario

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

Sound quality

Sennheiser Momentum 4 Wireless

Tuning, detail, and staging

Sennheiser Momentum 4 Wireless leads on sound (95 vs 90).

Noise cancelling

Bose QuietComfort Ultra 2

ANC strength for commute and travel

Bose QuietComfort Ultra 2 leads on anc (100 vs 84).

Comfort

Bose QuietComfort Ultra 2

Long-session wearability

Bose QuietComfort Ultra 2 leads on comfort (96 vs 92).

Value for money

Sennheiser Momentum 4 Wireless

Specdex score per dollar at MSRP

Sennheiser Momentum 4 Wireless more score per dollar ($379 vs $449).

Bose QuietComfort Ultra 2 93
vs
90 Sennheiser Momentum 4 Wireless

Score breakdown

Bose QuietComfort Ultra 2
93
anc 100
sound 90
comfort 96
battery 88
features 92
Sennheiser Momentum 4 Wireless
90
anc 84
sound 95
comfort 92
battery 100
features 84

Specs side-by-side

Bose QuietComfort Ultra 2 versus Sennheiser Momentum 4 Wireless — full spec comparison
Spec Bose QuietComfort Ultra 2 Sennheiser Momentum 4 Wireless
Driver
35 mm
42 mm transducer
ANC
Hybrid · 8-mic
Adaptive Hybrid
Bluetooth
5.3 + Snapdragon Sound
5.2
Codecs
aptX Adaptive + AAC + SBC
aptX Adaptive + AAC + SBC
Battery
30 hr (24 with ANC)
▲ 60 hr (50 with ANC)
Charging
USB-C, 15-min for 2.5hr
USB-C
Weight
▲ 254 g
293 g

Bose QuietComfort Ultra 2

Pros
  • +Deepest ANC on the market
  • +Comfortable for 8hr+ flights
  • +Bose Immersive Audio
Cons
  • −No multi-point with 2025 firmware bug
  • −Cable not included
  • −Pricier than XM6

Sennheiser Momentum 4 Wireless

Pros
  • +60-hour battery — best in class
  • +Audiophile sound signature
  • +Foldable for travel
Cons
  • −ANC trails Bose / Sony
  • −No Auracast
  • −App less polished

FAQ: Bose QuietComfort Ultra 2 vs Sennheiser Momentum 4 Wireless

Which is better, Bose QuietComfort Ultra 2 or Sennheiser Momentum 4 Wireless? +

Bose QuietComfort Ultra 2 scores 93 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.

Is Bose QuietComfort Ultra 2 worth the price? +

At $449, Bose QuietComfort Ultra 2 delivers a Specdex score of 93 — strongest in anc.

Is Sennheiser Momentum 4 Wireless worth the price? +

At $379, Sennheiser Momentum 4 Wireless delivers a Specdex score of 90 — strongest in battery.

Does Bose QuietComfort Ultra 2 or Sennheiser Momentum 4 Wireless 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, Bose QuietComfort Ultra 2 or Sennheiser Momentum 4 Wireless? +

Sennheiser Momentum 4 Wireless — leads on sound (95 vs 90). Tuning, detail, and staging.

Which is better for noise cancelling, Bose QuietComfort Ultra 2 or Sennheiser Momentum 4 Wireless? +

Bose QuietComfort Ultra 2 — leads on anc (100 vs 84). ANC strength for commute and travel.