Reddit rates both Stay Away. The split is what you want: the QuietComfort Ultra Earbuds — don’t buy it — get the Sony instead. The WH-1000XM5 — don’t buy it — get the Sony WH-1000XM4 instead.

Don’t buy it — get the Sony instead
+ Repeatedly mentioned as reference-level audio; the single most cited reason owners keep or recommend them.
− A recurring pattern: ~1 in 2 long-term reports mention a failure, most often the left earbud, within 8 months.
Full verdict →
Don’t buy it — get the Sony WH-1000XM4 instead
+ Repeatedly mentioned as the benchmark other wireless headphones get compared against.
− A recurring theme: hinge failures dominate long-term reports, with 132 hinge-specific counts logged.
Full verdict →Reddit rates both Stay Away. The split is what you want: the QuietComfort Ultra Earbuds — don’t buy it — get the Sony instead. The WH-1000XM5 — don’t buy it — get the Sony WH-1000XM4 instead.
Reddit's verdict is Stay Away. Don’t buy it — get the Sony instead. Strong ANC and sound, but ~1 in 2 long-term reports describe a failure — mostly the left earbud — within the first 8 months.
Reddit's verdict is Stay Away. Don’t buy it — get the Sony WH-1000XM4 instead. Exceptional sound with a structural flaw you must factor in: ~1 in 3 long-term reports describe a hinge failure.