Over-Ear Headphones · owner-verdict comparison

Sennheiser HD 660S2 vs Sony WH-1000XM6: what real owners say

Real owners lean toward the Sennheiser HD 660S2: 61% of 231 owners recommend it, vs 35% of 571 for the Sony WH-1000XM6.

Verdicts aggregated from Reddit, enthusiast forums, and YouTube owner comments — affiliate reviews excluded. Sample sizes differ; judge accordingly. How we score

Sennheiser HD 660S2

61%of 231 owners recommend
61% recommend · 20% neutral · 19% don't
Owners praise
  • Lush, natural mids and vocals with classic Sennheiser timbre
  • Deeper, richer bass with much better sub-bass extension than the older 6x0
  • Excellent imaging and soundstage for gaming and movies
Owners complain about
  • Dark, veiled or muffled-sounding presentation
  • Loses the forward midrange magic of the cheaper 600/650
Full owner report →

Sony WH-1000XM6

35%of 571 owners recommend
35% recommend · 25% neutral · 40% don't
Full owner report →

What Sennheiser HD 660S2 owners say

“I've had it for 5 years now and I still consider it the best of the 600 series”
— @o.f.ftrack3444 on YouTube
“They are my go-to primary headphones.”
— @scottlowell493 on YouTube
“At $250-$350 I would consider giving these a go at $600 they are a pass.”
— @mindhead1 on YouTube

What Sony WH-1000XM6 owners say

“I then connected them to my android phone and everything was much crisper and detailed because it used LDAC. I then also played around with the equalizer and now they sound much better.”
— Alanwake28 on Reddit
“Using XM3 daily since before covid, only headphone I own and do everything you say we shouldn't. Through pouring rain, snowstorms, at the gym, at my factory, stuffed into bags.”
— electro_lytes on Reddit
“The issue I have with the Sony XM6 headphones is that they tend to cause my ears to become warm and sweaty, especially during extended use. This discomfort can be quite distracting”
— No-Seaworthiness7880 on Reddit