If you're rocking the WF-1000XM4 and wondering whether it's time to upgrade to the Sony WF-1000XM6, I'd say yes—it's genuinely worth the jump.
The XM4 had some well-known issues. A lot of people found them too bulky and struggled with fit. Sony heard that feedback loud and clear. The XM6 is 11% slimmer and redesigned to fit more ear shapes comfortably. They're still not tiny, but they feel way better.
Noise cancellation got a serious upgrade too. The XM6 has 8 microphones instead of 6, and the new processor is about 3x faster than what's in the XM4. Sony claims 25% better noise reduction, and in practice, you can definitely hear the difference. Engine hums, office chatter, HVAC noise—it all gets pushed further into the background.
Sound quality improved in more subtle ways. Better instrument separation, wider soundstage, and the equalizer went from 5 bands to 10, so you can really dial things in. If you're an audiophile, you'll notice the refinements.
But honestly? The biggest upgrade might be call quality. The XM4 was pretty bad for calls. The XM6 completely changes that with dual beamforming mics and a bone conduction sensor. Sony trained their AI on 500 million voice samples. The result is earbuds that actually work for video calls and phone conversations.
You also get new features: Auracast support, Background Music mode, better multipoint, head gesture controls, and wireless charging built into the case.
If you're still on the XM4, this is the upgrade that makes sense. Two generations of improvements add up to a noticeably better product.
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Where this comes from: this answer draws on the product's published specifications and the reviews ShopSavvy collected for it, alongside prices from 1 retailer in ShopSavvy's price data, most recently seen Mar 18, 2026.
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