I reviewed Sony's flagship WF-1000XM6 earbuds — and it's another case of 'great sound, impressive features, middling noise cancellation'

Sony WF-1000XM6 earbuds next to the older-gen. WF-1000XM5 and WF-C710N, on colorful table .

Sony WF-1000XM6: Two-minute review

The all-new Sony WF-1000XM6 an impressive set of earbuds with a formidable set of features – especially formidable for tech journos such as me, who are obliged to stick within some sort of length limit for these reviews – but as Sony seeks to recapture class-leading greatness with its 1000X series lineup, I can't help but wonder whether at some point we'll reach a case of diminishing returns.