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Superlux HD-681


Studio Headphones

  • Semi-open
  • Circumaural (full size)
  • Dynamic
  • Self-adjusting headband
  • Peak SPL: 98 dB
  • Impedance: 32 Ohm
  • Frequency Range: 10 - 30000 Hz
  • Maximum Power: 300 mW
  • THD 100 mW@1KHZ<1%
  • 2.5m Cable with 3.5 mm Stereo mini-jack
  • Weight (including cable): 278 g
  • Weight (excluding cable): 230 g
  • Including 6.3 mm mini-jack adapter and a bag
Design Over-Ear
System Semi Open
Impedance 32 Ohms
Frequency range 10 Hz – 30000 Hz
Adapter Yes
Replacable Cable No
Marrone/Argento Black
available since April 2009
Item number 218865
Frequency range min. 10 Hz
Frequency range max. 30000 Hz
Max. SPL 98 dB
Sensitivity 98 dB
Type Of Connector Mini Jack
Type Of connector Jack
Weight 230 g
Color Black
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112 Visitors
2 Sales Rank
Not exactly Pro standards, but superb for music and gaming on a budget!
Nate in Belgium 07.06.2020
I bought these to listen to music and for playing PC games after reading online recommendations. I have them connected to a Monolith Liquid Spark headphone amp connected to my PC's onboard DAC line out.

My main decision was based on sound quality, imaging and price. I liked the noted sound signature listed on the Superlux website and from reviews I've read. I have to say I'm actually blown away with how they sound! These have a nicer sound signature than my old Sennheiser HD580s. Yes they are cheaply built, but look how much they cost. I'm sure if you look after them and treat them with respect they will last long enough. My biggest complaint is the clamping force and thin earpads. Very uncomfortable, I've ordered thicker velour pads from China to compensate.

Pros: Spacious sound with good clarity, depth and punch making them ideal for gaming. Gorgeously musical. Ridiculous price.

Cons: Treble forward. Not going to compete with high end headphones (but snapping at the heels of phones costing 5-10x as much). Clamping force is probably the worst I've encountered. Build quality fits what you pay


Decent affordable open headphones
Richard0401 28.12.2020
-Decent quality, doesnt feel as cheap as the price would suggest
-Pretty flat sounding

-High frequencies are not very defined
-Cable not removable

I got these headphones as a backup and to try out what open headphones have to offer as I've only used closedbacks before. I mainly used it for gaming and for silently practicing guitar and for those purposes these headphones are great. Sound is decent, its fairly flat, not too much bass and not very bright either, nicely balanced. The soundstage (stereo separation) is great, not perfect but definately usable for most situations, especially if you are on a budget. Comfort is not the greatest but I can wear it for an hour or two without discomfort so its not too bad. The padding is very stiff but the clamping force on your ears is not that strong so it cancels out. You dont need a good seal for open headphones afterall...

If you are on a limited budget I can highly recommend these headphones. They sound flat enough for basic mixing and the open design also helps a lot.
However... I can't recommend these headphones for outside or public use because of its open design.
Also if you are lookign for a very high quality professional monitor then I recommend you spend a bit more money...


Great quality for the price
Abdelrahman 29.10.2018
I bought this headphone as a recommendation from under the cheap option for critical listening and i was really surprised how this headphones sounded good. Of course there is better headphones out there but you have to pay for them. (I am student so i can't afford to but high priced headphones)
I am no expert in audio production and technicalities, but i like to hear some decent sound. I am pleased with the quality of the audio production.
I found the that sometimes the high notes or the treble may be sometimes be off in certain songs, but it can be ignored.
One thing i have to mention is the ear caps. The only thing that bothers is that you have to perfectly put them around your ear, because if they are slightly shifted, there will be a loss of audio, but this can be fixed quickly by adjusting the headphones on your ear. And if you wear glasses you may loose some of the audio through your ear.
Overall i recommend this headphone for people who doesn't want to pay a lot and get some good audio.
I hope you find this review helpful.


I am satisfied
GutsMan 22.11.2021
Great headphones. I don't use them very often, but I've had them for more than a year and nothing has been rubbed anywhere. They look like new. I didn't use it for more than three hours at a time, but during these three hours neither my ears nor my head got tired. I'm listening through the external audio of the Behringer U-Phoria UMC204HD. The sound pleases.


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