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Sennheiser HD 660s

Sennheiser HD 660s
alaScore 92

24 reviews

Jan, 2021

alaTest has collected and analyzed 24 reviews of Sennheiser HD 660s. The average rating for this product is 4.8/5, compared to an average rating of 4.0/5 for other Headphones for all reviews. People really like the comfort and design. The usability and price also get good feedback, but there are some less positive views about the noise isolation and portability. Reviews are divided on the bass quality.

sound, price, usability, design, comfort

portability, noise isolation

We analyzed user and expert ratings, product age and more factors. Compared to other Headphones the Sennheiser HD 660s is awarded an overall alaScore™ of 92/100 = Excellent quality.

Review analysis

(Based on 24 reviews)

Expert Reviews  

User Reviews  

Showing 12 review(s)

Expert Reviews User Reviews


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Showing 1 - 10 of 12 Show Reviews: in English | in other languages (12)

Expert review by : Jean-Simon Bonneterre (

Sennheiser HD 660 S Review


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 sessi...

Good audio reproduction.;Comfortable fit.;Well-built design.

High leakage and low isolation, by design.;Can be tight on some heads.

May, 2019

Expert review by : Andrew Williams (

Sennheiser HD 660 S Review | Trusted Reviews


Sennheiser HD 660 S review: Comfort and great sound quality make these excellent at-home headphones.

Great soundstage ; Comfortable ; Dynamic and involving

Value enjoyment over tonal neutrality a little

Oct, 2018

Expert review by : Sasha Muller (

Sennheiser HD 660 S: A classic headphone, reimagined


Sennheiser revives a classic design and this is one of those rare moments where some people will prefer the remake to the original

Just like one of the great Hollywood remakes, the HD 660 S has tried to improve on near perfection, and to its credit it has almost succeeded – but as ever, some people will just always prefer the original.

Jun, 2018

Expert review by : Thomas Bartlett (

Review: Sennheiser HD 660S stereo headphones


The Sennheiser HD 560S headphones which I reviewed – and raved about – a few weeks back are said by Sennheiser to be “basically a little brother” to the

Truly great sound;Support out of the box for balanced connections;Just a very enjoyable listen - no caveats whatsoever

Dec, 2020

Expert review by : Dominic Moass (

Sennheiser HD 660 S Headphone Review


In the audio community, the Sennheiser HD 650 is something of a legend - an excellent value headphon The successor to the legendary HD 650, is the HD 660 S a worthy follow-up?

Crisp and keen treble, much more resolving than HD 650.

Sub-bass extension is still not mind-blowing.

Nov, 2017

Consumer review (

fabulous [and a bargain]


I have been meaning to replace my old, and rather grubby, headphones for some time and had identified these as a suitable replacement - inertia crept in but I was mindful that I was listening to less music mindful of the possible disturbance to my...

Nov, 2020

Consumer review (

Best headphones ever


I bought Sennheiser 660S and there are brilliant ,wide soundrange , so detailed and full spectrum - strong bass to clear highs. Have Sennheiser HD 598 before and HD 595 for bedroom listening , the 660S is far better and worth the extra ,if you only buy...

Sep, 2020

Consumer review (

Best headphones I've listened to.


I bought these to replace a 30 year old pair of Sennheiser HD 480s that had finally given up the ghost. I'd considered replacing them over the years but never found anything that could compete on sound. The HD660S more than live up to their reputation....

Sep, 2020

Consumer review (

Very Neutral Sound


2 weeks of pure smiles, thanks Hunter at Cambridge

Aug, 2020

Consumer review (

Great Service.


I'll happily endorse the guys at the Liverpool branch for their sterling service. Most recently, I purchased a pair of Sennheiser DH660S, which were delivered on time and at a fantastic price.

Jun, 2020

Price comparison for Sennheiser HD 660s

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