Sennheiser Hd660s vs Hd650: Which One Should You Buy?

September 4, 2022
Sennheiser Hd660s vs Hd650
Table of Contents

The Sennheiser HD660s and Sennheiser HD 650 are two pretty comparable headphones. Their appearance is nearly the same, and their sound signature is almost identical as well. The overall performance of these two headsets is almost the same. So, which one should you purchase between SENNHEISER HD660s vs HD650?

If you think about the overall design and build quality, it is possible that you will get stuck in SENNHEISER HD 660S headphones. On the other hand, the SENNHEISER HD 650 beat the SENNHEISER HD 660 in terms of treble accuracy, but they are identical in bass accuracy. There are also pricing differences between these two.

Here in this article, I’m set to go through the SENNHEISER HD660s and the SENNHEISER HD650. Here I’ll discuss everything in detail about these two best flagship headphones. So, continue reading this article and get the best one and enjoy a great music streaming experience.

SENNHEISER HD 660S Open Back Headphone

Are you looking for a neutral listing headphone that offers balanced sound quality? SENNHEISER HD 660S is one of the best open Back headphones that ensure well-balanced and also clear audio outcomes. This flagship headset comes with an ergonomic design that has been built with premium quality materials. Overall, it is a versatile headset that provides an insanely fantastic music experience.

SENNHEISER HD 660S Headphone

Ergonomic Design

SENNHEISER HD 660S features an aesthetic-looking design. The headband structure is made of a thin metal that feels solid. Comes with matte fishing, and it has larger ear cups which gives it an excellent outlook. The ear cups are made of microfiber-like fabric that provides superior comfort. The cups are very large and will be suitable for most ear sizes and shapes without a problem. The HD 660 S’s open-back design allows them to breathe well.

Sound Quality

SENNHEISER HD 660S are versatile headphones that focus on much more fun music streaming. The sound quality from this headset is exceptionally well. It ensures a neutral as well as well-balanced music output that is more fun to listening. The vocals are too much clear, and it does not mix with the instrumental sounds. It has excellent detail clarity and balance, making it an ideal choice for high-quality sound sources.

Bass and Treble

While the bass is one of the major considerations in music streaming, these headphones have some lacks in the low bass. However, this headphone has wholly solved the low bass problem with Mid-Bass and High-Bass accuracy. The treble performance of the HD660S is excellent. While the Low-Treble and Mid-Treble performed well enough, the High-Treble was a bit disappointing. The overall bass and treble accuracy are good enough.

Overall Performance

If you think about the overall performance, then this headphone really gives an outstanding performance. Excellent Balanced Sound Quality with Perfection of Design and Build Quality Makes Headphones Unique. The perfect mix-up with bass, treble and vocal, this headphone is too much fun to stream your favorite music. They’re best utilized in a peaceful listening location where the sound quality can truly shine.

Key Features

Sennheiser Hd660s

Highlighted Features

  • It comes with durable construction and offers a comfortable fitting.
  • The headset ensures a perfect blend of vocals with an instrumental sound.
  • It’s too much fun and offers excellently balanced and clear sound quality.
  • These versatile headphones are perfect to use all day long with a comfortable feel.


  • Comes with a durable and sturdy design
  • The ear cups are comfortable fitting
  • Amazing and refreshing sound quality


  • The headband may feel a bit tight

SENNHEISER HD650 Open Back Headphone

The Sennheiser HD650 headset has a reputation for being “fun” to listen to. It’s a headset that virtually everyone can enjoy, thanks to its rich, dynamic sound. The sound is exceptionally clean and detailed, with a very natural tone in the bass as well as midrange and only a slight coloring in the treble. This model also provides outstanding comfort, giving it a fantastic value for money.

Sennheiser HD650 Headphone

Sensational design and build

The manufacturing quality is outstanding. The headset is made of space-age plastic and has aluminum extenders. While this headset has a strong clamping force, the velour cushioning on the headband as well as ear cups makes them quite comfortable. A metal-made mesh cage surrounds each cup on the exterior, protecting and displaying the delicate driver assembly within. Any element of these headphones may be ordered and replaced with ease.

Extraordinary Audio Quality

The Sennheiser HD 650 headphones are among the most neutral on the market. The sound is very clean and precise, with genuine character in the bass and middle. Manufacturers of headphones should be able to match the left as well as right drivers perfectly. You’ll get a delightfully realistic music stage with the open-back innovation; however, it won’t insulate you coming from external noise as effectively as a closed-back.

Excellent Bass and Treble Accuracy

Sennheiser HD 650 headset ensures excellent bass accuracy. The sound of the headphones is distinguished by deep, expressive bass with minimal to no bleed at the low bass. Everything is clear and sharp, and there is a lot of detail. The 650 has powerful instrumentation and beautiful voices in the midrange. The sound in high bass is articulate, albeit a tad bright. The treble response of the HD 650 is excellent. Low- and mid-treble frequencies are flat as well as constant.

Overall Performance

There is absolutely no question that it is an impressive flagship headset on the market. With an exclusive design, excellent bass, and treble accuracy, this headset ensures an outstanding music streaming experience. These headphones provide exactly what they promise, with exceptional clarity and lots of headroom on any frequency range. However, they do this with a relaxed elegance that you won’t find in many other brands.

Key Features

Sennheiser Hd650

Highlighted Features

  • The HD 650 features an exclusive design with premium construction.
  • These headphones provide comfortable variations in ear positioning.
  • The degree of detail and also the clarity of these headphones is astounding.
  • This headset generates an impressive sound that is almost neutral.


  • Comes with durable construction
  • It ensures excellent comfort to use
  • It offers an extraordinary sound quality


  • Noise isolation is poor by design.

SENNHEISER HD660s vs HD650: Comparisons

Let’s take a look at the SENNHEISER HD660s vs HD650 comparisons. These comparisons will help you understand which headset is ideal for you.

Design and Build

Both these two headsets come with a stunning design. Both of them have been manufactured with premium and durable quality materials. However, in terms of appearance, the SENNHEISER HD 660S is a bit different from the HD 650. The SENNHEISER HD 660S comes with a more ergonomic design and build quality. Its matt black finishing makes it more attractive than the HD 650. So, in terms of design and build quality, SENNHEISER HD 660S is our winner.

Bass and treble Accuracy

Both the SENNHEISER HD660s and the HD650 headsets perform identically in terms of bass and treble. They perform almost the same in bass accuracy. However, the SENNHEISER HD 650 beat the SENNHEISER HD660s in overall treble accuracy. However, if you think about the Frequency Response Consistency and Imaging, the SENNHEISER HD660s headphones beat the HD 650. Its fantastic speed and flawless instrument reproduction allow it to outperform except only at its extremes.

Overall Performance

The Sennheiser HD 660s and HD650 headphones are pretty similar. Their appearance is also comparable, as well as their sound signature is nearly identical as well. The most significant difference is just how things feel once they’re on your forehead. The HD 650 isn’t as cramped as the HD 660 S, which may make it more pleasant for most users.

The Sennheiser HD 660S headphones provide broad, spacious, and outstanding audio and spatial imagery. On the other hand, the Sennheiser HD 650 performs excellent in bass and treble accuracy and beats the Sennheiser HD 660S. With its captivating trademarks and liquid-smooth responsiveness, HD 660S forebears HD 650 smashed performance limits in the luxury headphone market.

SENNHEISER HD660s vs HD650: Which one should you buy?

The difference in how you stream music when it’s played via speakers rather than headphones is large enough to impact your music selection. In order to determine the nature of the headphones, the variance in detail is considerably more evident. If you’ve sensitive hearing, then you should choose the headphones carefully to have the finest music experience.

First and foremost, we must recognize that this is a rash decision, given that these two headphones provide superior functionality at different pricing ranges. The HD 660S is leagues ahead of its aesthetic and construction quality peers with its modern and sleek matt black appearance. The HD660s headset has also been upgraded with a number of unique features that make them stand out from the competition.

The Sennheiser HD650 is a good option if you’re on a budget as well as want to purchase headphones for everyday usage. The HD 660S, on the other hand, should be a great pick if you’re a music fan who wants to create throbbing and lively music. You won’t be disappointed while mixing your music because to its intelligent features and superb audio efficiency.

Wrap Up

It will be challenging to select the ideal headset for you between SENNHEISER HD660s vs HD650. Here I discussed everything about these two headphones in detail. I also highlighted the differences between these two fabulous headphones. So, this article may help you get the best one.

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