Over-Ear Headphones · owner-verdict comparison

K712 Pro vs Sennheiser HD 660S2: what real owners say

Real owners lean toward the Sennheiser HD 660S2: 61% of 231 owners recommend it, vs 50% of 80 for the K712 Pro.

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

K712 Pro

50%of 80 owners recommend
50% recommend · 28% neutral · 22% don't
Owners praise
  • Excellent for gaming, especially competitive FPS titles, thanks to a huge soundstage that makes footsteps and directional cues easy to place
  • Massive, precise soundstage and strong instrument separation/imaging that owners rate above rivals like the K701/Q701 and HD600
  • Very comfortable for long sessions, praised as light on the head and a good fit even for larger heads
Owners complain about
  • Bright, fatiguing treble with a dip in the mids that some owners find harsh or off-putting on longer listening sessions
  • Some owners find the imaging and soundstage less precise than expected, calling it unnaturally large or 'meh' compared to rivals like the DT880/990
  • Durability complaints, including drivers blowing out or headphones wearing out within one to two years
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 K712 Pro if
  • ✓Gamers wanting pinpoint footstep imaging and a huge soundstage for FPS titles
  • ✓Classical and orchestral listeners who want spacious, airy presentation over bass slam
  • ✓Low-volume, casual listeners who just want to enjoy music rather than critical monitoring
  • ✓Big-headed or comfort-focused owners who wear these for hours without fatigue
Skip it if
  • Bass-heavy genre fans (hip-hop, metal) put off by boosted, muddled low end
  • Treble-sensitive listeners bothered by the fatiguing highs and mid-range dip
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 K712 Pro owners say

“I keep coming back to them frequently as I love their weight, fit and sound, especially for mixing music.”
— _crackerjack73_ on Reddit
“Recommendation for the AKG 712 Pro, and perhaps tryout the k702 earcups for more detailed sound and wider soundstage.”
— Bastelkorb on Reddit
“the 712 fell way short with boosted bass that created a muddled midrange and a tepid soundstage not as pinpoint accurate and open as the other 7 series.”
— rajmahid on Reddit

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

K712 Pro vs Sennheiser HD 660S2: frequently asked questions

Is the K712 Pro or the Sennheiser HD 660S2 better?

Real owners lean toward the Sennheiser HD 660S2: 61% of 231 owners recommend it, vs 50% of 80 for the K712 Pro.

Who should get the K712 Pro?

Owners point the K712 Pro at gamers wanting pinpoint footstep imaging and a huge soundstage for FPS titles, and classical and orchestral listeners who want spacious, airy presentation over bass slam.

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 K712 Pro is bright, fatiguing treble with a dip in the mids that some owners find harsh or off-putting on longer listening sessions. For the Sennheiser HD 660S2, it's dark, veiled or muffled-sounding presentation.