Unfortunately, this deal has expired 2 minutes ago.
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228° Expired
31 Posted 21 October 2022
Sennheiser HD 660S (Refurbished) - £270 delivered @ Sennheiser Shop
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Used Sennheiser Outlet a couple of times before and apart for the dented packaging, the headphones I've bought were new, with unbroken security seals.
Amazon new price £429
Info added by @PD2K79
Refurbished
Products that have been tested, checked, and thoroughly inspected to meet the same high-quality standards as our new products.
Details
Instruction Manual
The powerhouse open-back headphone
Connects you to the deepest corners of your music collection.
A Direct Connection To Your Music
Known for their engaging signatures and liquid-smooth response, HD 660S predecessors HD 650 and HD 600 shattered performance barriers in the audiophile headphone category.
The HD 660S transcends the best of that storied DNA with supernatural speed and effortless instrument reproduction—even at the bookends of the frequency spectrum.
Utilizing an all-new transducer and specially ventilated drive unit, the HD 660S delivers the revealing, tack-sharp detail audiophiles demand without sacrificing the engaging dynamics that make music so enjoyable.
From Our Ears To Yours
In just one listen you will understand why the HD 660S is so special. Thousands of listening sessions later its purpose is even clearer.
What you hear each and every time is the result of an open-back earcup mated to a new transducer tuned for the modern audiophile. Its speedy response is perfectly suited for reproducing those frequency-stretching recordings with confidence.
Thanks to an aluminum voice coil, the 38mm diaphragm remains nimble for ultra-quick impulse fidelity across the board. This activation and rest behaviour unlocks the capability to communicate tonal and spatial characteristics precisely.
Meshing Together
The steel mesh found on the HD 660S drive unit is interesting in design but most impressive when it comes to performance.
It completes the ventilated driver, offering consistent control of air displacement to reduce turbulence. As a result, diaphragm travel is pure, letting the music—and only the music—shine in a perfect balance of integrity and expression.
The steel composition allows for much tighter production tolerances, ultimately contributing to remarkably consistent characteristics of each HD 660S produced. When combined with the open-back earcups, the sound emanating from each transducer is completely free to expand, just as it would in nature.
Capability, Meet Versatility.
Today’s audiophile has more component choices than ever.
We optimized the HD 660S for efficiency on a wider range of devices to accommodate the varying levels of power present in output amplification circuitry.
At 150 ohms, the HD 660S is the perfect partner for dedicated amplifiers, A/V receivers, and digital audio players (DAPs)—the magnet is more powerful than its predecessors, and thus easier to drive regardless of how your setup changes over time.
Handled with care
Every HD 660S has experienced a matching regimen to mate each transducer to its opposite-channel counterpart.
These tolerances are extremely narrow and when bolstered by automated assembly processes, ensure that your HD 660S experience is consistent with those all over the globe.
We designed it with thoughtful, lightweight materials invisible to the acoustical system without sacrificing the durability needed for daily, all-day use. With a never-ending supply of music to consume, we wanted every touch point to be soft, luxurious, and durable for those extended listening sessions.
It's all about connection
We packed your HD 660S with a versatile set of essential cables, each one impedance-matched with ultra-low capacitance.
The ¼-inch / 6.3mm stereo connector offers the audiophile-standard plug for connection to devices such as headphone amplifiers and A/V receivers, digital audio players, analog gear, and more.
A balanced, 4.4mm connector opens a pathway to a newer generation of balanced output devices (headphone amplifiers, digital audio players, etc.) that embrace this compact plug’s superior stability over time. A balanced headphone setup offers an even lower noise floor with great dynamic range when connected to balanced source/amp circuit outputs. The listener will thus experience a wider soundstage, tightly controlled transients and impossibly-clear instrument separation.
Each cable is 9.8 feet / 3m long to accommodate unencumbered listening on gear deep within your shelves, or favorite listening chair, and a flexible adapter is included to reduce the 6.3mm to 3.5mm. An optional balanced cable (CH 650 S) is sold separately for simplified connection to 4-pin XLR jacks.
YouTube - Product Reviews
Help & Information
Amazon new price £429
Info added by @PD2K79
Refurbished
- Accessories and Cables
- 2 years manufacturer warranty
- 30-Day Free Return
- Limited Stock
Products that have been tested, checked, and thoroughly inspected to meet the same high-quality standards as our new products.
Details
Instruction Manual
The powerhouse open-back headphone
Connects you to the deepest corners of your music collection.
A Direct Connection To Your Music
Known for their engaging signatures and liquid-smooth response, HD 660S predecessors HD 650 and HD 600 shattered performance barriers in the audiophile headphone category.
The HD 660S transcends the best of that storied DNA with supernatural speed and effortless instrument reproduction—even at the bookends of the frequency spectrum.
Utilizing an all-new transducer and specially ventilated drive unit, the HD 660S delivers the revealing, tack-sharp detail audiophiles demand without sacrificing the engaging dynamics that make music so enjoyable.
From Our Ears To Yours
In just one listen you will understand why the HD 660S is so special. Thousands of listening sessions later its purpose is even clearer.
What you hear each and every time is the result of an open-back earcup mated to a new transducer tuned for the modern audiophile. Its speedy response is perfectly suited for reproducing those frequency-stretching recordings with confidence.
Thanks to an aluminum voice coil, the 38mm diaphragm remains nimble for ultra-quick impulse fidelity across the board. This activation and rest behaviour unlocks the capability to communicate tonal and spatial characteristics precisely.
Meshing Together
The steel mesh found on the HD 660S drive unit is interesting in design but most impressive when it comes to performance.
It completes the ventilated driver, offering consistent control of air displacement to reduce turbulence. As a result, diaphragm travel is pure, letting the music—and only the music—shine in a perfect balance of integrity and expression.
The steel composition allows for much tighter production tolerances, ultimately contributing to remarkably consistent characteristics of each HD 660S produced. When combined with the open-back earcups, the sound emanating from each transducer is completely free to expand, just as it would in nature.
Capability, Meet Versatility.
Today’s audiophile has more component choices than ever.
We optimized the HD 660S for efficiency on a wider range of devices to accommodate the varying levels of power present in output amplification circuitry.
At 150 ohms, the HD 660S is the perfect partner for dedicated amplifiers, A/V receivers, and digital audio players (DAPs)—the magnet is more powerful than its predecessors, and thus easier to drive regardless of how your setup changes over time.
Handled with care
Every HD 660S has experienced a matching regimen to mate each transducer to its opposite-channel counterpart.
These tolerances are extremely narrow and when bolstered by automated assembly processes, ensure that your HD 660S experience is consistent with those all over the globe.
We designed it with thoughtful, lightweight materials invisible to the acoustical system without sacrificing the durability needed for daily, all-day use. With a never-ending supply of music to consume, we wanted every touch point to be soft, luxurious, and durable for those extended listening sessions.
It's all about connection
We packed your HD 660S with a versatile set of essential cables, each one impedance-matched with ultra-low capacitance.
The ¼-inch / 6.3mm stereo connector offers the audiophile-standard plug for connection to devices such as headphone amplifiers and A/V receivers, digital audio players, analog gear, and more.
A balanced, 4.4mm connector opens a pathway to a newer generation of balanced output devices (headphone amplifiers, digital audio players, etc.) that embrace this compact plug’s superior stability over time. A balanced headphone setup offers an even lower noise floor with great dynamic range when connected to balanced source/amp circuit outputs. The listener will thus experience a wider soundstage, tightly controlled transients and impossibly-clear instrument separation.
Each cable is 9.8 feet / 3m long to accommodate unencumbered listening on gear deep within your shelves, or favorite listening chair, and a flexible adapter is included to reduce the 6.3mm to 3.5mm. An optional balanced cable (CH 650 S) is sold separately for simplified connection to 4-pin XLR jacks.
YouTube - Product Reviews
Help & Information
More details at Sennheiser ShopCommunity Updates
Edited by a community support team member, 21 October 2022
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31 Comments
sorted byYou can see the X2HR (blue line) has better bass extension than the HD660s here:
(it's a lot messier up top though!)
From: diyaudioheaven.wordpress.com/hea…hr/ (edited)
Would these be a far better upgrade or wait to see if the Sony headphones go on deal later this year?
I could/would never spend this kind of cash on headphones, but is there such a thing as a bad pair of Sennheiser's?
There are some graphs showing the relative frequency response of the HD600, 650 and 660s on DIYAudioHeaven website: diyaudioheaven.wordpress.com/hea…50/
I still use my xm4 for travelling but this is just so clear sound. Definitely bargain at the moment with the current price.