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This product is eligible for a replacement if the return request is raised within 7 days of delivery, and ONLY in the unfortunate event that it is found to be defective. This policy is not applicable to customers who are not happy with the product.
Once the manufacturing defect has been confirmed by our inspection team, we will provide a replacement of the originally ordered product. In case of replacements not being available, you can choose another variant, full store credit or a full refund will be provided.
Movies and TV
2 Year of
Android & iOS
The Sennheiser HD 660S has an eye catching new matte black and anthracite design. It looks classically elegant with some hints of contemporary influence. It is truly a symbol of sophistication.
With High Quality Sound, the HD 660S also gives you High Comfort. In spite of its strong build, this pair is very lightweight. The elliptical ear cups are shaped according to the anatomy of the ear and sit perfectly over your ears giving you superior comfort. With comfortable earpads and its open construction, you can listen to music on these for hours on the trot.
The HD 660S has exceeded its predecessor HD 650 in terms of the sound output. With a crisp and defined bass, clear mids and pleasantly natural treble, it offers an exceptional soundstage response. You hear every detail and expression of the songs you play that takes you on a completely different journey full of emotions altogether.
Built with the new Transducer Design, The HD 660S offers a much better performance as compared to the HD 650. It is engineered with a specially manufactured stainless steel fabric attached to the diaphragm that facilitates better control of the diaphragm movements. Moreover, extremely light aluminum voice coils ensure the highest impulse fidelity. The transducers are carefully selected and paired by hand to ensure consistently narrow (±1 dB) tolerances.
The HD 660S is much more versatile as it can deliver reference-class sound when connected to hi-res mobile players even with its lower impedance.
|FREQUENCY RESPONSE||10 – 41,000 Hz|
|WIRED CONNECTIVITY||3.5mm Input|
|WEARING STYLE||Over-Ear (Circumaural)|
|BOX CONTENTS||1. Sennheiser HD 660s Headphones|
|2. 1 x 1/4" (6.35mm) Stereo Jack Plug|
|3. 1 x 4.4mm Pentaconn Stereo Jack|
|4. 1 x 1/4" (6.35mm to 3.5mm) Jack Adapter|
|5. Storage Box|
|6. Instruction Manual|
Don't sweat it, this Sennheiser HD 660 S comes with a 2 year warranty from Sennheiser that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.
Read more about Sennheiser's warranty in India.
"According to Sennheiser the new HD660 S features a new transducer design, resulting in improved control of the diaphragm movements thanks to specially manufactured precision stainless steel fabric."Read More
"Were it any other maker producing the HD 660 S I would have been quite impressed with how close they managed to get to the sound of the legendary HD 600/650."Read More
"The Sennheiser HD 660 S are high-end open-back headphones.These are the kind you might use to listen to music at home, or to watch a movie late at night when you don’t want to disturb anyone else."Read More
"Sennheiser has created an entirely new transducer for the HD 660 S, which is said to have lower harmonic distortion and produce an even more natural, uncolored sound."Read More
"The HD 660 S is usable with portable devices, but to hear this headphone at its best use it at home or with high-quality portable players."Read More
"With 150-ohm impedance, the HD 660 S are also determined to be just as easily used with smartphones and portable music players as with hi-fi components."Read More
"Offering a lower impedance of 150 ohms, the HD 660 S can be enjoyed with HiRes mobile players or when directly connected to high-quality, stationary HiFi components."Read More
"The Sennheiser HD 660 S are good open-back critical listening headphones. They have a good audio reproduction and are comfortable enough for long listening sessions."Read More
"As we feel that most people will find HD660S the more versatile, better sounding headphone than either of its beloved predecessors. The sonic performances of HD660S are quite impressive"Read More
I reviewing this once again after unboxing. Really a good package, for this thanks to Headphone Zone for a good package and very fast delivery. I am not a audiophile, but these headphones are rocking. Without DAC/amp its sounds good when connected to my TV & PC. With mobile it's really needs a DAC/Amp. Waiting for my XD-05, after that I will mesmerize with these headphones. Without thinking go for these. These are good Headphones. And Headphone Zone, you are awesome. Go Ahead
Once again thanks to Headphone Zone. Loving this very much. More clarity after 6 months. Great Head Phones SENHEISER. What a natural Sound. If you got a proper DAC & AMP it will be more fun with natural instrumental sounds and thumpy Bass (not much but enjoyable). Worth the Headphones.
Oh, thanks Headphone zone, just received my order within 2 days, I am in journey excited to see the product, after unboxing I update my review. Waiting for my Headphone ampp xd-05 now. Great delivery thank u so much. Giving stars without seeing the package. Call received that my package arrived at home.
These headphones from Sennheiser are totally worth the asking price. Vocal and Imaging kings. If you are looking for a lot of bass, I think you should look at the DT 1770 PRO probably. But for vocal focused music there's nothing that comes close in this price range.
These can be run from a good laptop and even a good high end phone in my opinion. They reach a suitable volume at 80% on my Samsung S10+. But I am sure that a good DAC/AMP will increase the capability of these headphones. An amp might even increase the bass response of these headphones. I didnt take them off on the first 4 days after I got them!!!
Straight fire headphones for Rock and Pop
Well, i have so many things to say about the HD660s. It has an immersive sound experience where it is also easy to drive. The inclusion of a 4.4mm balanced cable is a icing on the cake in the package. The sound has a deep quick bass, lush vocals with beautiful natural tonality, and brilliant staging too. Previously I had owned hd6xx and was not satisfied with its veiled dark signature. Believe me as a user of both, the HD660s is a brilliant pair and will satisfy your needs easily.