Audio-Technica - ATH-MSR7b vs Bose - QuietComfort Ultra Headphones
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Audio-Technica - ATH-MSR7b | Bose - QuietComfort Ultra Headphones |
|---|---|---|
| Weight | 290 g | 253 g |
| Driver size | 45 mm | 35 mm |
| Active noise cancellation | false | true |
| Spatial audio | false | true |
| Multipoint | false | true |
| Battery life | 0 h | 24 h |
Between the ATH-MSR7b and QuietComfort Ultra Headphones, the ATH-MSR7b comes out ahead in driver size, while the QuietComfort Ultra Headphones wins on weight / active noise cancellation. Overall, the ATH-MSR7b scores 52.8 and the QuietComfort Ultra Headphones scores 69.9 on our Mars Score.
Which should you buy?
The QuietComfort Ultra Headphones is the clear pick on raw spec strength, leading by 17.1 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the ATH-MSR7b if you care most about driver size. The biggest gaps in its favor are driver size. The single most decisive one: Driver size — 28.57% more. 45 mm vs 35 mm.
Pick the QuietComfort Ultra Headphones if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, active noise cancellation, spatial audio, among others. The single most decisive one: Weight — 37.00 g less. 253 vs 290.
Both ship with comparable ldac, water resistance, so those specs do not separate the two — focus on the differences below.
Bottom line: the QuietComfort Ultra Headphones is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Audio-Technica - ATH-MSR7b or Bose - QuietComfort Ultra Headphones?
Bose - QuietComfort Ultra Headphones leads the current Mars Score by 17.1 points.The more useful decision is the trade-off behind that result: compare driver size, battery life, weight against the way you will actually use the product.
Choose Audio-Technica - ATH-MSR7b if…
Audio-Technica - ATH-MSR7b has the measurable edge on driver size mm.
Choose Bose - QuietComfort Ultra Headphones if…
Bose - QuietComfort Ultra Headphones has the measurable edge on weight g, has anc, has spatial audio.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Audio-Technica - ATH-MSR7b wins
- ▲Driver size — 28.57% more. 45 mm vs 35 mm.
Why Bose - QuietComfort Ultra Headphones wins
- ▲Weight — 37.00 g less. 253 vs 290.
- ▲Has Active noise cancellation.
- ▲Has Spatial audio.
- ▲Has Multipoint.
- ▲Battery life: 24 h vs 0 h.
Spec comparison
Design
| Spec | Audio-Technica - ATH-MSR7b | Bose - QuietComfort Ultra Headphones |
|---|---|---|
| Type | over-ear | over-ear |
| Weight | 290 g | 253 glead |
| Water resistance | none | none |
Audio
| Spec | Audio-Technica - ATH-MSR7b | Bose - QuietComfort Ultra Headphones |
|---|---|---|
| Driver sizeⓘ | 45 mmlead | 35 mm |
| Impedanceⓘ | 36 Ωlead | 32 Ω |
| Sensitivityⓘ | 101 dBlead | 100 dB |
| Active noise cancellationⓘ | false | truelead |
| Transparency mode | false | truelead |
| Spatial audioⓘ | false | truelead |
Battery
| Spec | Audio-Technica - ATH-MSR7b | Bose - QuietComfort Ultra Headphones |
|---|---|---|
| Battery lifeⓘ | 0 h | 24 hlead |
| Fast chargeⓘ | false | truelead |
Connectivity
| Spec | Audio-Technica - ATH-MSR7b | Bose - QuietComfort Ultra Headphones |
|---|---|---|
| Bluetoothⓘ | 0.0 | 5.3lead |
| Multipointⓘ | false | truelead |
| 3.5mm jack | true | true |
| LDACⓘ | false | false |
| aptX HDⓘ | false | truelead |
Frequently asked
Which has better battery life, ATH-MSR7b or QuietComfort Ultra Headphones?+
QuietComfort Ultra Headphones lasts 24 hours vs 0 hours.
Do ATH-MSR7b or QuietComfort Ultra Headphones have active noise cancellation?+
QuietComfort Ultra Headphones has active noise cancellation; ATH-MSR7b does not.
Which supports LDAC, ATH-MSR7b or QuietComfort Ultra Headphones?+
Neither supports LDAC.