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Noise-Cancelling Headphones · Comparison

The Bose QuietComfort Ultra Headphones (2nd Gen) meets
the Sennheiser Momentum 4 Wireless

Unmatched comfort and ANC that silences everything. We tested it head-to-head against the Sennheiser Momentum 4 Wireless ($350) across 6 key dimensions.

Bose QuietComfort Ultra 2nd Gen in Black, 3/4 angle on white background
BEST

Bose QuietComfort Ultra Headphones (2nd Gen)

“Unmatched comfort and ANC that silences everything”

$449
Our Score
93.3 / 100
Buy on Amazon
Sennheiser Momentum 4 Wireless in Black, 3/4 angle showing fabric headband and ear cups
VALUE

Sennheiser Momentum 4 Wireless

“60-hour battery and audiophile sound at half the price”

$350
Our Score
80.4 / 100
Buy on Amazon
01

Head-to-Head Breakdown

ANC
30% of score +
Bose
100
Sennheiser
75
Bose QuietComfort Ultra Headphones (2nd Gen)

Perfect 10/10 from Picky Audio; SoundGuys lab-tested 87% attenuation, highest measured

Sennheiser Momentum 4 Wireless

Tier B ANC per DHRME; SoundGuys confirmed below 80% attenuation

Sound
25% of score +
Bose
91
Sennheiser
90
Bose QuietComfort Ultra Headphones (2nd Gen)

RecordingNOW scored 9.1/10; rich mids and instrument separation praised

Sennheiser Momentum 4 Wireless

Best-sounding mid-range per Picky Audio; safest pick under $500 per CEONTHEMAKING

Comfort
20% of score +
Bose
100
Sennheiser
70
Bose QuietComfort Ultra Headphones (2nd Gen)

Perfect 5/5 from RecordingNOW; lowest clamping force measured by Jasper Tech

Sennheiser Momentum 4 Wireless

Tight clamping force caused ear pain after 2hr per DHRME, Picky Audio

Battery
10% of score +
Bose
80
Sennheiser
98
Bose QuietComfort Ultra Headphones (2nd Gen)

30hr ANC playback, standard tier (SoundGuys, CEONTHEMAKING)

Sennheiser Momentum 4 Wireless

55-60hr ANC playback measured by SoundGuys, double the competition

Build
8% of score +
Bose
85
Sennheiser
75
Bose QuietComfort Ultra Headphones (2nd Gen)

Solid build praised by Jasper Tech, RecordingNOW, CEONTHEMAKING

Sennheiser Momentum 4 Wireless

Adequate but plasticky feel noted by GadgetryTech

Calls
7% of score +
Bose
82
Sennheiser
80
Bose QuietComfort Ultra Headphones (2nd Gen)

Good but not best-in-class (Picky Audio, CEONTHEMAKING)

Sennheiser Momentum 4 Wireless

Solid performance per DHRME, GadgetryTech

02

Strengths & Weaknesses

Bose QuietComfort Ultra Headphones (2nd Gen)

+ Strengths
  • Class-leading ANC blocks 87% of noise (SoundGuys lab test)
  • Perfect 5/5 comfort score, spacious ear cups, low clamping force (RecordingNOW)
  • Dynamic, musical sound with rich mids and excellent instrument separation (RecordingNOW)
  • Lightweight at 250g with plush padding, ideal for glasses wearers (Jasper Tech)
  • Cinema Mode with head-tracking for immersive spatial audio
Weaknesses
  • Audible white noise hiss when ANC is on in quiet rooms (Jasper Tech, GadgetryTech)
  • Finicky touch-capacitive volume slider, easy to accidentally change volume (SoundGuys)
  • Only a basic 3-band EQ, far less customizable than Sony or Sennheiser (GadgetryTech)
  • Confusing single-button power/pairing design (Mike O'Brien)
Key flaw: The Bose has an audible white noise hiss whenever ANC is engaged.

Sennheiser Momentum 4 Wireless

+ Strengths
  • Massive 60-hour battery life with ANC, double the competition (SoundGuys)
  • Top-tier sound quality rivaling headphones twice the price (CEONTHEMAKING)
  • True lossless audio via wired USB-C connection (SoundGuys)
  • Rich, natural tuning with smooth treble, great out of the box (Picky Audio)
  • Currently available around $200-$230 on sale, exceptional value (GadgetryTech)
Weaknesses
  • ANC rated 'Tier B', noticeably weaker than Bose and Sony for low-frequency noise (DHRME, SoundGuys)
  • Tight clamping force and shallow ear cups cause pain during extended wear (DHRME, Picky Audio)
  • Sennheiser's app is buggy with slow update cycles (SoundGuys)
  • Touch controls on ear cups can be finicky and unreliable (Picky Audio)
Key flaw: The Sennheiser's ANC is firmly mid-tier.
03

The Verdict

Our Bottom Line

The Bose QuietComfort Ultra 2 wins because it nails the two things that matter most in a noise-cancelling headphone: silencing the world and staying comfortable while doing it. SoundGuys measured its ANC at 87% noise attenuation in standardized lab tests, the highest of any headphone they tested. RecordingNOW gave it a perfect 5/5 for comfort, noting the ear cups are deep enough that your ears never touch the interior. Jasper Tech, who built a custom clamping-force rig called "Clampy," confirmed the Bose applies less pressure than any competitor while still maintaining a solid seal.

BEST
Bose QuietComfort Ultra Headphones (2nd Gen)
Bose QuietComfort Ultra 2nd Gen in Black, 3/4 angle on white background

The Bose QuietComfort Ultra 2 wins because it nails the two things that matter most in a noise-cancelling headphone: silencing the world and staying comfortable while doing it. SoundGuys measured its ANC at 87% noise attenuation in standardized lab tests, the highest of any headphone they tested. RecordingNOW gave it a perfect 5/5 for comfort, noting the ear cups are deep enough that your ears never touch the interior. Jasper Tech, who built a custom clamping-force rig called "Clampy," confirmed the Bose applies less pressure than any competitor while still maintaining a solid seal.

Best for:
  • Frequent flyers and commuters who need elite noise cancellation
  • All-day wearers and glasses-wearers who prioritize supreme comfort
  • Bass lovers and movie watchers who'll enjoy Cinema Mode spatial audio
  • Listeners who prefer a simple app experience over deep EQ tinkering
  • Android users who want aptX Adaptive/Lossless codec support
VALUE
Sennheiser Momentum 4 Wireless
Sennheiser Momentum 4 Wireless in Black, 3/4 angle showing fabric headband and ear cups

The Sennheiser Momentum 4 Wireless makes the math hard to argue with. At its current street price of around $200-$230, you're getting a headphone that SoundGuys measured at 55 hours of battery life with ANC on, that's double what the $450 Bose and $400 Sony deliver. CEONTHEMAKING called it the "safest pick" for pure sound quality under $500, and Picky Audio declared it the best-sounding mid-range headphone without needing any EQ adjustment out of the box.

Best for:
  • Value-conscious buyers who want flagship sound at half the price
  • Home and office users who need 60-hour battery for weekly charging
  • Audio purists who want USB-C lossless wired playback
  • Listeners across all music genres, natural tuning works out of the box
  • Anyone who'd rather invest the $200 savings into better music or a DAC
04

Specifications

Spec Bose QuietComfort Ultra Headphones (2nd Gen) Sennheiser Momentum 4 Wireless
ANC Adaptive ActiveSense Adaptive ANC
Battery 30 hours 60 hours
Weight 250 g 293 g
Bluetooth 5.4 5.2
Codecs SBC, AAC, aptX Adaptive SBC, AAC, aptX, aptX HD, aptX Adaptive
Driver N/A mm 42 mm
USB-C Lossless Yes
Read the full Noise-Cancelling Headphones review
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