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Superlux HD 681 Dynamic Semi-Open Headphones

4.2 out of 5 stars 366 customer reviews
| 35 answered questions

Price: $27.99 & FREE Shipping on orders over $49. Details
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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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$27.99 & FREE Shipping on orders over $49. Details In Stock. Sold by PrimeDeals Online and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • Superlux HD 681 Dynamic Semi-Open Headphones
  • +
  • Zalman Zm-Mic1 High Sensitivity Headphone Microphone
  • +
  • Cosmos ® 1 Pair Black Color Velvet Replacement Earpad Ear Pad Cushion for AKG K 240 Studio Headphones
Total price: $41.57
Buy the selected items together

Technical Details

  • Noise Cancellation

Product Description

Type: Dynamic, Semi-open Driver: 50mm, dome type, neodymium magnet Sensitivity: 98 dB (SPL/mW) Frequency Range: 10 to 30,000 Hz Rated Impedance: 32 Ohms

Product Information

Product Dimensions 4.2 x 7.4 x 7.9 inches
Item Weight 4.2 ounces
Shipping Weight 4.2 ounces (View shipping rates and policies)
ASIN B002GHIPYI
Item model number HD681
Customer Reviews
4.2 out of 5 stars 366 customer reviews

4.2 out of 5 stars
Best Sellers Rank #357 in Electronics > Headphones > Over-Ear Headphones
#5,039 in Electronics > Home Audio & Theater
#5,654 in Electronics > Portable Audio & Video > MP3 & MP4 Players & Accessories > MP3 & MP4 Player Accessories
Date first available at Amazon.com April 23, 2009

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
These headphones are fairly well reviewed in many audio websites and in this forum, so I'll try to keep this brief and just rate their various qualities (as I see them) on a scale of 1-10:

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.
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Verified Purchase
I received the 'phones earlier today, and I've got to say that initially I was surprised at how light they were - especially in comparison to what I've been using (some old Realistic Nova Pros that I picked up at the thrift store.) However, it did not seem that build quality was compromised by this lightness. I was also satisfied by the bulkiness of the cable - it's a few millimeters thick and seems to be sturdy.

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.
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Verified Purchase
I purchased the SuperLux HD 681's after reading many reviews (see head-fi.org - [...] for example) and looking for an entry-level hi-fi headphone. I am not an audiophile or bass head, but these headphones have plenty of bass, even when driven with my iPod nano. Bass is a bit more responsive when used with a computer source, however. For comparison, I have a old (20 yrs old) pair of Sony V1 headphones, and tried a pair of Shure SRH 440's Shure SRH440 Professional Studio Headphones (Black). I have not done side-by-side comparisons, but the Sony's are not responsive to deep bass, but have a fairly flat response overall. The Shure's audio quality was amazing (lots of detail & good bass), but I couldn't wear them for more than 1/2 hour without my head & ears (primarily from glasses) starting to hurt. Sony headphones, because they don't have a soft headband, also hurt my head after 1/2 hour or so. Perhaps this is because my head is an odd shape that those types of headphones are uncomfortable. The HD 681's are quite comfortable on my head because of the AKG-like suspended headband, and the ear pads/cups are very large and don't push on my ears enough to cause discomfort, even while wearing glasses.
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!
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Verified Purchase
Build Quality(7.5/10) - These headphones are built quite nicely and feel very sturdy. However, I can't resist mentioning that they look a little cheap and plasticky (compared to the AKGs that they reflect). Looks aside, they feel very solid, the earcups swivel a little vertically to adjust to your head but they don't feel flimsy. The slidewire headband works very well. One thing that I always like to note is the quality of the wire. The wire on the HD681 is fantastic, nice and thick and flexible at the same time (quite unlike the thin rubbery wire of the Sennheiser HD428 that I also reviewed).

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.
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