Over-Ear Headphones · owner-verdict comparison

Beyerdynamic DT 700 PRO X vs Sennheiser HD 660S2: what real owners say

Real owners lean toward the Beyerdynamic DT 700 PRO X: 68% of 63 owners recommend it, vs 61% of 231 for the Sennheiser HD 660S2.

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

Beyerdynamic DT 700 PRO X

68%of 63 owners recommend

68% recommend · 5% neutral · 27% don't

Owners praise

Clear, balanced, detailed sound
Several owners report pairs still in good shape after two or more years of daily use
Most owners who switched from the DT 770 PRO prefer it

Owners complain about

Build durability is the most common complaint: headband padding coming unglued within months, and plastic sliders and earcup arms cracking, often within two years
For some owners the clamp is tight or the headband presses on the top of the head and starts to hurt
The sound does not suit everyone, with some hearing heavy bass and muddy detail and others hearing thin or fizzy highs

Full owner report →

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 →

Which should you buy?

Get the Beyerdynamic DT 700 PRO X if

✓People producing or monitoring music who need a closed back
✓Gamers and everyday listeners who want one pair for music and games
✓Owners of an older DT 770 PRO looking for a cleaner closed back

Skip it if

Buyers who want headphones that will not need a headband or slider repair in the first couple of years
Listeners sensitive to a tight clamp or pressure on the top of the head

Get the Sennheiser HD 660S2 if

✓HD6x0 owners wanting more bass extension and treble sparkle
✓All-day listeners who want a warm, fatigue-free sound
✓Gaming, movie, and music all-rounder seekers
✓Metal, rock, and EDM fans wanting fuller low end

Skip it if

Those wanting a wide, expansive soundstage over intimate presentation
Purists chasing the classic 600/650 midrange, which feels recessed

What Beyerdynamic DT 700 PRO X owners say

“Update: I got the headphone and I have been using it for almost 2 months. Best headphones I ever owned in terms of clarity. Perfect for music producers.”
— @HifyTech on YouTube

“To anyone here thinking of buyint the 700 Pro X: Do it. I've owned a pair since the very first day they were available in the market, use they daily, and they still look fresh out of the box. The sound is amazing, still on the same pads and the comfort is unmatched.”
— @bananawarlock3981 on YouTube

“I'm not kidding, this thing feels like a vice on your head. Add to that the extra weight and the excessive bass, and you have a headphone that quickly fatigues both your head and your ears.”
— @Nayah9 on YouTube

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

Beyerdynamic DT 700 PRO X vs Sennheiser HD 660S2: frequently asked questions

Is the Beyerdynamic DT 700 PRO X or the Sennheiser HD 660S2 better?

Real owners lean toward the Beyerdynamic DT 700 PRO X: 68% of 63 owners recommend it, vs 61% of 231 for the Sennheiser HD 660S2.

Who should get the Beyerdynamic DT 700 PRO X?

Owners point the Beyerdynamic DT 700 PRO X at people producing or monitoring music who need a closed back, and gamers and everyday listeners who want one pair for music and games.

Who should get the Sennheiser HD 660S2?

Owners point the Sennheiser HD 660S2 at hD6x0 owners wanting more bass extension and treble sparkle, and all-day listeners who want a warm, fatigue-free sound.

What do owners complain about?

The most-cited downside of the Beyerdynamic DT 700 PRO X is build durability is the most common complaint: headband padding coming unglued within months, and plastic sliders and earcup arms cracking, often within two years. For the Sennheiser HD 660S2, it's dark, veiled or muffled-sounding presentation.