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  3. QuietComfort Ultra Earbuds (2nd Gen) vs TWS STAX S10 ANC planar

Bose QuietComfort Ultra Earbuds (2nd Gen) vs Edifier TWS STAX S10 ANC planar

What QuietComfort Ultra Earbuds (2nd Gen) does better (2) and where TWS STAX S10 ANC planar wins (3) — every spec side by side.

Bose QuietComfort Ultra Earbuds (2nd Gen)
Bose · 2025QuietComfort Ultra Earbuds (2nd Gen)
4.8Score
2 advantages≈ $240
Higher score
vs
Edifier TWS STAX S10 ANC planar
Edifier · 2025TWS STAX S10 ANC planar
3 advantages≈ $290
5.6Noise control & calls9.3

Why is QuietComfort Ultra Earbuds (2nd Gen) better than TWS STAX S10 ANC planar?

  1. aptXYes · TWS STAX S10 ANC planar: No
  2. Charging time1 h vs 1.5 h+50%

Why is TWS STAX S10 ANC planar better than QuietComfort Ultra Earbuds (2nd Gen)?

  1. Battery life with ANC4 h vs 18 h4.5×
  2. Hi-res codec (LDAC / aptX HD / LHDC)No · QuietComfort Ultra Earbuds (2nd Gen): Yes
  3. LDACNo · QuietComfort Ultra Earbuds (2nd Gen): Yes
Specifications

Side by side

Bose QuietComfort Ultra Earbuds (2nd Gen)Bose QuietComfort Ultra Earbuds (2nd Gen)≈ $2404.8
Edifier TWS STAX S10 ANC planarEdifier TWS STAX S10 ANC planar≈ $290
Sound
FitIn-earIn-ear
Ear cup designClosed-back—
Driver typeDynamicPlanar magnetic
Driver size—12 mm
Lowest frequency—20 Hz
Highest frequency—40,000 Hz
Sensitivity—92 dB
Spatial / 3D audioYes—
Hi-Res AudioYes—
Adjustable equaliserYes—
Noise control
Active noise cancellingYesYes
Adaptive ANCYes—
Transparency / ambient modeYes—
Microphones4—
Battery & charging
Battery life6 h—
Battery life with ANC4 h18 h
Total with charging case24 h—
Charging time1 h1.5 h
Fast charging supportYes—
Wireless charging (case)Yes—
Connectivity
WirelessYesYes
Bluetooth version5.35.4
Bluetooth codecsaptXLDAC, LHDC
Hi-res codec (LDAC / aptX HD / LHDC)NoYes
aptXYesNo
LDACNoYes
Multipoint (two devices)Yes—
USB-CYesYes
Smart & streaming
Companion appYes—
Design & build
Earbud weight (each)10 g—
Protection ratingIPX4IP54
Water resistance (IPx)IPx4IPx4
Dust protection (IP)—5
Colours—Black
Features
Touch controlsYes—
Hands-free callsYes—

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