Over-Ear Headphones · owner-verdict comparison

Sennheiser HD 660S2 vs Momentum 4 Wireless: what real owners say

Real owners lean toward the Sennheiser HD 660S2: 61% of 231 owners recommend it, vs 45% of 469 for the Momentum 4 Wireless.

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 →

Momentum 4 Wireless

45%of 469 owners recommend
45% recommend · 27% neutral · 28% 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 Momentum 4 Wireless owners say

“Thats unfortunate. I've been using mine for about 2 and a half years daily, and the only problem I've had is the earpads deteriorated and I had to get replacements.”
— Randy265 on Reddit
“i bought M4 last year and i'm fully satisfied”
— zeldafr on Reddit
“Verdict: Not very good”
— thogor on Reddit