HD 660S 2: wired audiophile headphones with deep bass, surround sound, airflow transducer, vented magnet & voice coil.

Shipped and sold by Sennheiser Consumer Audio
4.8 (28)
Limited-Time Special
$529.95 (22% off)$679.95
Color:Black
Offers & perks
45/mo.* suggested payments for 12-months totaling $529.95 with Macy's Card.

Product details

Web ID: 15883557
From thundering timpani, to the melodic sound of a guitar, the impressive singing voice of your favorite artist, or the beat of electronic dance music, nothing creates drama like powerful bass. Ideal for music lovers, the non-fatiguing, high-end HD 660S2 now delivers even more impact and emotion.

  • Product Features

    • Natural, relaxed, high-fidelity sound with extra sub bass: Ultra-light aluminum voice coil with 300-ohm impedance for excellent impulse response and an intimate sound with great timbre
    • Airflow-optimised 42mm high-performance transducers: Improved ventilation due to a uniquely powerful vented magnet system for minimal distortion and air displacement control through steel mesh damping
    • Double the sound pressure at the lowest octaves: You can feel the lowest note on the piano (27.5 Hz) or the kick of the bass drum (45-60 Hz) as if you were there, at the recording studio
    • Exceptional comfort and build quality: The open-back design offers exceptional breathability and the plush ear cushions deliver maximum comfort - for long listening sessions
    • Outstanding quality designed in Germany, made in Ireland: With a frequency response of 8 Hz - 41,500 Hz and detachable, long cables for comfortable desktop use
    • Wipe clean
    • Imported

  • Product Dimensions

    • 9.53 x 7.17 x 3.94 inches
    • 1.41

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Ratings & Reviews

4.8/5

28 star ratings, 27 reviews

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1 customer image

27 reviews
Sky123
23 days ago

Good Headphones

I love the headphones, they had amazing clarity and range, there was nothing wrong with the audio.

Customer review from Sennheiser

Vincent
1 month ago
from Melbourne

Beautiful music!

I'm totally satisfied with the headphone. Well built and comfortable to wear. The vivid sound stage and meticulous details of replayed music are highly enjoyable. Not strong in dynamics but the beautiful music, particularly of jazz and vocalist, more than makes up for it.

Recommends this product

Customer review from Sennheiser

Jazzman
2 months ago
from Torbay Devon UK

Cool upgrade from my HD650 pair

Compared to my old HD650 pair these new 660S2 cans are more appealing - the old ones were great but boring, these have some cool style and the accurate sub bass will help mixing, these are ustill neutral and flat enough to use seriously for judging the tonal characteristics of a mix

  • Photo from Jazzman

Customer review from Sennheiser

AntSlappy
7 months ago

AntSlappy’s HD 660S2 mods

I pulled out the black foam in the middle/inside of each “can” and got a WAY BETTER CABLE and WAY BETTER EAR PADS!!! Now these sound/perform WAY BETTER THAN STOCK!!!

Customer review from Sennheiser

SonicFlash
7 months ago
from Houston, Texas

Incredible sound!!

I absolutely love these headphones. Paired with the right DAC and Amp they make magic happen!!!

Recommends this product

Customer review from Sennheiser

jwestbrook
9 months ago

Supreme Quality

I am very happy with this purchase. Supremely comfortable to wear, very nice/quality engineering produces a high fidelity sound experience... I particularly appreciate Sennheiser following up with the sound samples via email, whereby I received a 'guided tour' of the capabilities built into these headphones... Supreme quality - excellent sound reproduction - no regrets, would buy again...

Customer review from Sennheiser

DHL
10 months ago
from Pismo Beach CA

Way better than expected

I bought the 660S2 HP expecting mid level performance in this day and age of 3K to 6K top of the line HP. Was very surprised when I A/B'd this set with Hifiman Susvaras. Bass response was very good; attack and decay was better in the Sennheisers vs the Susvara. The Sennheisers were considerably warmer sounding than the Susvara, but in a musical way, not muddy or smearing. The Susvara has a bit more "air" and inner detail, but not 6K worth. I did not experience a broad sound field with either HP. Subtle detail like the bells in John Klemmers Touch were a bit more evident in the Susvara but still very much present in the 660s. Driving the Sennheisers was considerably easier than the Susvaras as has been noted elsewhere, but cabling is less critical with the more sensitive Sennheiser's higher 300 ohm impedance; wire gage makes less of a difference if you have longer wire runs as opposed to the low sensitivity 60 ohm Susvara. I found I had to crank my class A HP amp up full volume with the Susvara leaving little headroom. The Sennheisers were easily driven with that amp with plenty of headroom. I generally I was very surprised at how good the Sennhesiers are, and they are probably 80 to 90% of the performance of the Hifiman product, some may find them overall better.

Recommends this product

Customer review from Sennheiser

Ernest_loves_moon
11 months ago
from NJ

desert island headphones indeed

incredible feel pure sound I can hear all the different parts to the music comfy lackluster packaging - but I bought headphones, I don’t care about how they’re stored

Recommends this product

Customer review from Sennheiser