- Noise Cancellation
Superlux HD 681 Dynamic Semi-Open Headphones
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- Freq Range 10Hz-30KHz
- Max Power 300mW
- Impedence 32 ohm x 2
- Sensitivity 98dB SPL/mW
- Complete with Carrying Pouch
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Top Customer Reviews
Aesthetics: (2/10) The headphones look very good but Superlux gets only two points from me here - simply because, aesthetically, the HD681 are less refined AKG (K-240) clones, though the red accents are a nice touch. Cable is one sided but unlike the K240/K240MKII the cable is hard-wired (not detachable).
Packaging: (5/10) The headphones are packaged around a piece of cardboard and wrapped in a plastic wrapper. Not that you'd expect more at their price point but the way they sit in that piece of cardboard makes the cardboard dig into the ear-pads. The indentations left in the ear-pads do begin to fade in time.
Built Quality: (7/10) The HD681 are made of plastic and feature vinyl ear-pads and a metal-wire bridge. The self-adjusting support head-band is also made of some type of vinyl. Overall they feel quite sturdy, the cable is fairly long (about 8ft) and is terminated with a small 1/8in jack. A screw-on 1/4in jack is included. Both jacks are gold-plated. Also supplied is a carrying bag.
Comfort: (6/10) The ear-pads are somewhat on the small size (although they do go around the ears) but they are pretty stiff and they do cause (at least to me) some discomfort. In addition the vinyl makes them get hot even when worn for short periods of time. The HD-681 are very light weight and the self-adjusting head-band works well. Felt/Velour replacement pads from some AKG (and Beyerdynamic) models should work for HD681 but they will likely be more expensive than the headphones.
Sound Quality: (7/10) The HD681 use unexpectedly large drivers (50mm) for their price point.Read more ›
This is the first time I've experienced this type of headband style, with a fixed-length frame and a band that slides down to take up slack between your head and the frame. It turns out to be quite comfy. Ear room is more than adequate, and after about three hours of use I am still not experiencing any discomfort related to my head getting hot or to the quality of the ear pads.
The sound is wonderful. If I tweak my equalizer settings, it seems like I can feel air being displaced when the speakers are being driven at lower frequencies. A sensation I do not experience with my Sony MDR-X100s or MDR-V150s. I suspect that the larger drivers play a role here.
The noise isolation isn't anywhere near what it is on my Realistics, but this seems reasonable as these are of a semi-open build. And really, when I've got music playing, I can't hear anything else anyway.
I'd suggest these if you're looking for something comfortable to wear that also sounds and looks good. I can't say whether they're the best bang for the buck as far as the aforementioned points are concerned, but I think they're definitely worth the cost.
As for the quality/price, these headphones are well built, I expect them to be very durable like the Sonys. They are mod-able although I haven't done anything to modify mine. [...] has the details.
Sound quality on the HD 681's is good - great bass response, but the mids & highs could be sharper. Again, great sound, very comfortable headphones for the price!
Comfort(6/10) - I must admit that I am a bit disappointed by the comfort of these headphones, but take what I say with a grain of salt. I have a relatively large head and ears so when I first got this pair of headphones I found the clamp force to be a bit too much. I loosened the headphones over a stack of books which helped a little but I cannot wear them for prolonged periods without feeling discomfort. This is also my first experience with circular earpads which I find very nice because my ears fit comfortable inside. However, the padding on the earpads are very hard and not the most comfortable at all. However, many of you may find your case to be different.
Isolation(5/10) - Not fantastic considering that they are semi-open headphones. However, their very forward sound kind of makes up a little for the lack of isolation. Of course like all other semi-open and open headphones, this is not a pair of headphones you want to wear in a place like the library.
Sound(6.75/10) - When I first got these, I thought that they were fantastic but after a few weeks of listening, I'm having a few second thoughts.Read more ›
Most Recent Customer Reviews
Amazing quality (at least 5.1 surround sound capable) headphones with 1/4" audio adapter, which I find are also useful for electric keyboards.Published 1 month ago by Amazon Customer
Good for about 2 years then just buy a new pair. For less than $40 id say 2 years was getting my moneys worth out of them.Published 1 month ago by Matt
I'm not an audiophile but I like a good amount of base, and these headphones deliver on that front. For EDM and pop, these headphones are excellent. Read morePublished 1 month ago by John