Sennheiser HD 660 S Open-backed Premium Audiophile Reference Headphones - The ideal open, dynamic headphone for the passionate audiophile - 2 Year Warranty
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- Brand: Sennheiser
- MPN: 508826
- Part #: HSTSEN0660
- UPC: 615104340503
What PB Tech customers are saying about this product...
See More Reviews"I work in audio software, with these headphones I have noticed noise and aliasing where otherwise would have been difficult, they sound so flat I often think I'm listening through ...view more"
"Fantastic headphones , but don't get these unless you have something able to drive them. Once I got the right headphone amp that was able to drive them properly they are just pure ...view more"
"a nice headphone"
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Features
HD 660S - The perfect blend of power and control, the HD 660S is a powerhouse open-back headphone with the versatility to connect 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 audio interfaces alike-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 we produce has experienced a matching regimen to mate each transducer from our Ireland manufacturing facility 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 �-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, computer-based workstations, 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, studio, or desktop, 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.
Specifications
Impedance
150 Ohms
Connector
6.35 mm / 4.4 mm Pentaconn
Frequency response
9 - 41,500 Hz (-10 dB)
Sound pressure level (SPL)
104 dB at 1V 1kHz
Ear coupling
Over-ear (circumaural)
THD + N, total harmonic distortion and noise
< 0,04% (1 kHz, 100 dB)
Transducer principle (headphones)
Dynamic, open
Weight w/o cable
Approx. 260 g (without cable)
* Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
All warranties are return to base unless otherwise specified.
Reviews
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Quality Reference Headphones
I work in audio software, with these headphones I have noticed noise and aliasing where otherwise would have been difficult, they sound so flat I often think I'm listening through monitors.
HD 660s
Fantastic headphones , but don't get these unless you have something able to drive them. Once I got the right headphone amp that was able to drive them properly they are just pure bliss.
good
a nice headphone
Fantastic
These are a great pair of headphones, well worth the price!
Possibly the best I've ever tried
While I don't own the HD660 S, I own the HD 650's and have been blown away at how good they sound. Clear, amazing definition creating an atmospheric listening experience. It's like the audio is floating around your ears. My friend who is a music producer and audio engineer has a pair of the HD660's and after trying them I think they are as soon if not better than the 650's. You won't be disappointed.
Accessories
Delivery & Pick-up
Delivery Estimates
The estimated time to ship for each product we sell is detailed on the individual product page just underneath the price. From when your items ship, products typically arrive within 1 working day for North Island deliveries and 2 working days for South Island deliveries. Rural deliveries may take an extra working day, and bulk deliveries may take an extra 2-4 working days.
Same Day Delivery
Need your order in a hurry? PB Tech offers same day delivery for the Auckland, Hamilton & Christchurch region. Simple place your order before 2pm (provided your items are in stock) and select one of our same day delivery options 'Evening Delivery' or 'Urgent 3-hour Delivery' in the checkout. T&C's apply. Learn more about Same Day Delivery.
Shipping Costs
Shipping costs vary based on your location and the items being shipped and in some cases shipping may even be FREE.
To calculate what the shipping costs will be for your order, add the items you are interested in to your cart, view the Shopping Cart page, and select your 'Delivery Area' to calculate the shipping cost.
Shipping Security & Insurance
All orders shipped by PB Tech are sent via a courier with a signature required for each delivery. In some cases, and only where you have given the courier company permission to leave orders at a designated location, your order may be delivered without requiring a signature. All orders sent by PB Tech are fully insured in the unlikely event that your item(s) are damaged or go missing in transit.
1 Hour Store Pick-up / Click & Collect
You can pick-up your online order from any of our stores nationwide. You can select which store you want to pick up from at the checkout. Provided the store you select has stock and there's no hold-ups with payment we will have your order ready within 1 hour (during normal trading hours for that store) otherwise it may take up to 5 working days to transfer the stock to the store so your order can be fulfilled. Learn more about our Click & Collect process.
Overseas Shipments
PB Tech regularly ships overseas to Australia and beyond. If you are located in Australia, you can order directly from our Australian site www.pbtech.com/au. If you are from another country you can order from www.pbtech.com
Returns & Warranty
7 day right of exchange
If you change your mind after making a purchase, or realise you have ordered the incorrect item, you can enjoy the peace of mind that we offer a 7 day exchange policy.
To exchange a product, goods must be sealed / unopened, with packaging in original condition, and accompanied by a valid receipt dated no more than 7 calendar days from when you request an exchange.
If there is not a suitable product that can be exchanged for your returned item you will be offered a credit on your account or gift card based on the value paid at the time of purchase.
Please note, items purchased on finance cannot be exchanged for a gift card.
Hassle free warranty service
If your product develops a fault within the manufacturer warranty period, you can either contact the manufacturer directly (some manufacturers provide a high level of warranty service - including free pickup or in some cases onsite repair), or return to one of our services centres / stores. Where the product has been directly imported by PB Tech, you need to contact us directly or present the product at any one of our service centres / stores together with your proof of purchase.
If your product develops a fault outside of the manufacturer warranty or PB Tech warranty period, we offer a full repair service and are an authorised repair agent for leading brands such as Samsung, HP, Toshiba, Lenovo and more.
Returning a product / making a warranty claim
To contact the manufacturer directly to troubleshoot your product or to request a warranty repair, please view the list of manufacturer / brand warranty contacts (for products imported directly by PB Tech please return to us directly by completing our request a return form).
To return a product to PB Tech directly, please complete our request a return form.
Or view our returns policy for more information.
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