Who is the Bose - QuietComfort Ultra Earbuds 2 for?
Budget-tier wireless earbud. The 58.4 score sits in C-tier (58–67) — the formula flags meaningful weaknesses against premium peers.
Reasonable if cost is the deciding factor and the spec weaknesses don’t matter for your use. Check the spec table carefully before buying.
Mars Score is computed from 14 measured specs against the transparent formula for the wireless earbuds category. No editorial picks, no paid placement.
Bose - QuietComfort Ultra Earbuds 2: advantages & disadvantages
Measured against every wireless earbuds we track, here is where the Bose - QuietComfort Ultra Earbuds 2 pulls ahead — and where it gives ground.
- ▲Includes Active noise cancellation — a feature not every wireless earbuds offers.
- ▼Driver size: 9.3 mm — below the typical wireless earbuds.
- ▼Battery — buds: 6 h — below the typical wireless earbuds.
Pros are specs scoring ≥75% of the category normalization range. Cons are ≤35%. Derived from the Mars Score formula — no hand-curated lists.
At a glance
- Driver size
- 9.3mm
- Battery — buds
- 6h
- Weight per bud
- 6.2g
- Form factor
- in-ear
All specifications
Design
- Form factor
- in-ear
- Weight per bud
- 6.2 g
Audio
- Driver size?
- 9.3 mm
- Transparency mode
- true
- Spatial audio?
- true
Battery
- Battery — buds
- 6 h
- Battery — with case
- 24 h
Connectivity
- Codecs
- aptX Adaptive,AAC,SBC
- Multipoint?
- true
- In-ear detection
- true
Latest from the lab
All lab reports →Popular comparisons featuring the Bose - QuietComfort Ultra Earbuds 2
The 8 closest matchups in the Wireless Earbuds category, sorted by Mars Score proximity — the fights most worth your time.
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Frequently asked
What is the Mars Score for Bose - QuietComfort Ultra Earbuds 2?+
Bose - QuietComfort Ultra Earbuds 2 scores 58.4 on the transparent Mars Score formula for wireless earbuds, computed from its published specs against the category's weighted normalization.
What category does Bose - QuietComfort Ultra Earbuds 2 belong to?+
Bose - QuietComfort Ultra Earbuds 2 is a Bose wireless earbud catalogued in the Wireless Earbuds category.
When was Bose - QuietComfort Ultra Earbuds 2 released?+
Bose - QuietComfort Ultra Earbuds 2 was released on 2025-09-23.
What is the driver size of Bose - QuietComfort Ultra Earbuds 2?+
Bose - QuietComfort Ultra Earbuds 2 has a driver size of 9.3 mm.
What is the battery — buds of Bose - QuietComfort Ultra Earbuds 2?+
Bose - QuietComfort Ultra Earbuds 2 has a battery — buds of 6 h.
What is the weight per bud of Bose - QuietComfort Ultra Earbuds 2?+
Bose - QuietComfort Ultra Earbuds 2 has a weight per bud of 6.2 g.
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