Who is the Bose - QuietComfort Ultra Earbuds 2 for?
Solid mid-pack wireless earbud. The 70.9 score lands in B-tier (68–77) — competent across the board, with one or two specs holding it back.
A right buy if pricing matters and the trade-offs the formula penalizes don’t affect how you use the device. Compare it against the A-tier picks first.
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
Latest from the lab
All lab reports →Popular comparisons featuring the Bose - QuietComfort Ultra Earbuds 2
The 12 closest matchups in the Wireless Earbuds category, sorted by Mars Score proximity — the fights most worth your time.
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How Bose - QuietComfort Ultra Earbuds 2 fits the Wireless Earbuds field
Bose - QuietComfort Ultra Earbuds 2 is listed in the Wireless Earbuds catalog with a Mars Score of 70.9. It currently ranks 21 of 27 products in this category by Mars Score.This page is most useful when you match the product's strongest measurable specifications to your own workload instead of treating one number as a universal recommendation.
Key specifications to check
- Driver size
- 9.3 mm
- Battery — buds
- 6 h
- Weight per bud
- 6.2 g
- Form factor
- in-ear
Values are shown exactly as stored in the current catalog. A dash means the value is not available; it is not a zero and is not treated as a win or loss.
Who should consider it?
Start with the priorities represented by driver size, battery — buds, weight per bud. Buyers who value those dimensions should compare this product against the closest same-category alternatives below, then verify regional pricing, warranty, and configuration before purchase.
Closest alternatives
Frequently asked
What is the Mars Score for Bose - QuietComfort Ultra Earbuds 2?+
Bose - QuietComfort Ultra Earbuds 2 scores 70.9 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.