Between the MW09 and WF-1000XM6, the MW09 comes out ahead in battery — buds and battery — with case, while the WF-1000XM6 wins on spatial audio and weight per bud. Overall, the MW09 scores 79.3 and the WF-1000XM6 scores 60.5 on our Mars Score.
Which should you buy?
The MW09 is the clear pick on raw spec strength, leading by 18.8 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 MW09 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are battery — buds, battery — with case, driver size, among others.
Pick the WF-1000XM6 if audio quality and feature breadth (ANC, codecs, multipoint) are the lead criteria for your purchase. Its strongest claims are spatial audio, weight per bud.
Both ship with comparable active noise cancellation, multipoint, so those specs don't separate the two — focus on the differences below.
Bottom line: the MW09 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Master & Dynamic - MW09 wins
- ▲Battery — buds — 100.00% more. 16 h vs 8 h.
- ▲Battery — with case — 50.00% more. 48 h vs 32 h.
- ▲Driver size — 30.95% more. 11 mm vs 8.4 mm.
- ▲Water resistance: IP57 (vs IPX4).
Why Sony - WF-1000XM6 wins
- ▲Has Spatial audio.
- ▲Weight per bud — 0.60 g less. 5.4 vs 6.
Spec comparison
Design
| Spec | Master & Dynamic - MW09 | Sony - WF-1000XM6 |
|---|---|---|
| Form factor | in-ear | in-ear |
| Weight per bud | 6 g | 5.4 glead |
| Water resistanceⓘ | IP57lead | IPX4 |
Audio
| Spec | Master & Dynamic - MW09 | Sony - WF-1000XM6 |
|---|---|---|
| Driver sizeⓘ | 11 mmlead | 8.4 mm |
| Active noise cancellationⓘ | true | true |
| Transparency mode | true | true |
| Spatial audioⓘ | false | truelead |
Battery
| Spec | Master & Dynamic - MW09 | Sony - WF-1000XM6 |
|---|---|---|
| Battery — buds | 16 hlead | 8 h |
| Battery — with case | 48 hlead | 32 h |
| Wireless case chargingⓘ | true | true |
Connectivity
| Spec | Master & Dynamic - MW09 | Sony - WF-1000XM6 |
|---|---|---|
| Bluetoothⓘ | 5.4 | 5.4 |
| Codecs | aptX Lossless,aptX Adaptive,AAC,SBC | LDAC,LC3,AAC,SBC |
| Multipointⓘ | true | true |
| In-ear detection | true | true |
Frequently asked
Which has longer battery, MW09 or WF-1000XM6?+
MW09 lasts 16h per charge vs 8h.
Do MW09 or WF-1000XM6 support multipoint?+
Both support multipoint pairing.
Which has ANC, MW09 or WF-1000XM6?+
Both have active noise cancellation.
Spec-level deep dives
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