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Sennheiser HD 650 Open Back Professional Headphone

4.7 out of 5 stars 418 customer reviews
| 87 answered questions

List Price: $499.95
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Headphones
  • Specially designed acoustic silk ensures precision damping over the entire frequency range and helps to reduce THD to an incredible 0.05%
  • Improved frequency response is 10 - 39,500 Hz (-10 dB)
  • Hand-selected matched driver elements
  • High power neodymium magnets deliver maximum efficiency
  • Lightweight aluminum voice coils for very fast transient response
  • Specially designed acoustic silk ensures precision damping over the entire frequency range and helps to reduce THD to an incredible 0.05%
  • Improved frequency response of 10 - 39,500 Hz (-10 dB) for rich sound
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This item: Sennheiser HD 650 Open Back Professional Headphone
Customer Rating 4 out of 5 stars (418) 4 out of 5 stars (2498) 5 out of 5 stars (324) 4 out of 5 stars (136)
Price $421.94 $144.93 $342.97 $460.00
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Onceternal Amazon.com JWH Deals Amazon.com
Color Silver Black Black Black
Fit Over-Ear Over-the-Ear Over-Ear Over-Ear
Headphones Form Factor open-back Information not provided open-back open-back
Dimensions 4.33 inches x 12.4 inches x 10 inches 9.4 inches x 4.1 inches x 8.1 inches 0.39 inches x 0.39 inches x 0.39 inches 10 inches x 8 inches x 5 inches
Item Weight 0.57 pounds 0.69 pounds 0.57 pounds 0.9 pounds
Special Features lightweight lightweight lightweight tangle-free-cord
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Product Description

Style: Headphones

Product Description

In the HD 650, audiophiles will experience truly unique natural sound. With sound this good, long concerts in the comfort of your home are a certainty, so the HD 650 also sets standards in comfort and convenience. The HD 650 is a genuine masterpiece, which will satisfy even the most demanding listener.

From the Manufacturer

Sennheiser HD 650

With the HD 650, audiophiles will experience truly unique natural sound. With sound this good, long concerts in the comfort of your home are a certainty, so the HD 650 also sets standards in comfort and convenience. The HD 650 is a genuine masterpiece, which will satisfy even the most demanding listener. HD 650 – the Reference Class.

  • Balanced & transparent sound
  • Elegant titanium-silver finish
  • Optimized for hi-resolution recordings
  • Made in Ireland
Learn more about the HD 650

Features a specially modulated connecting cable (detachable) made from highly conductive OFC copper, Kevlar-reinforced, with very low handling noise, i.e. low structure-borne sound sensitivity.

 

Features
  • Top-of-the-range open, dynamic hi-fi stereo headphones
  • Systems with narrow tolerances (± 1 dB), hand-picked in pairs
  • High-quality titanium/silver finish
  • Neodymium ferrous magnet systems ensure optimum sensitivity and an excellent dynamic response
  • Exceptionally natural, spatial and accurate sound
  • Can be directly connected to stationary hi-fi components of the highest quality, in particular SACD, DVD-A and CD players
  • Peace of mind - thanks to the 2-year international warranty
Did you know?

The HD 650 is a true audiophile headphone that features extremely lightweight aluminium voice coils to ensure excellent transient response.

Sennheiser recommends this headset for...

... The HD 600 is geared for your hi-fi stereo system. Best suited for all types of audio the HD 600 is a favorite among mastering engineers worldwide.

Warranty

The HD 650 is covered by a 2-year international warranty.

Comparison table
 
  HD 600 HD 650
Frequency response 12 - 39000 Hz 10 - 39500 Hz
Impedance 300 ohms 300 ohms
Transducer principle Dynamic, open Dynamic, open
Sound pressure level (SPL) 97 103 dB
THD, total harmonic distortion 0.1 % 0.05 %
Weight w/o cable 0.57lb (260 g) 0.57lb (260 g)
Contact pressure ca. 2,5 N ca. 2,5 N
Ear coupling Circumaural Circumaural
Jack plug 1/4" / 1/8" (3.5/6.3 mm) stereo 1/4" / 1/8" (3.5/6.3 mm) stereo
Warranty 2 Years 2 Years
Why Sennheiser ?

For over 60 years every Sennheiser mic or headphone comes with a built-in mission: to stay true to the sound and soul the music was given by its artist. From the fragile intimacy of a whispered word to the deep and dark punch of an attacking bassline. Sennheiser delivers pure emotion and excitement. A quality that has convinced a broad spectrum of artists and of course music lovers all over the world. Sennheiser offers a great experience for everyone who really wants to hear.

What's in the box?
  • HD 650
  • 1 adaptor to 1/4" (6.3 mm)

Product Information

Style:Headphones
Product Dimensions 12.4 x 10 x 4.3 inches
Item Weight 9.1 ounces
Shipping Weight 4 pounds (View shipping rates and policies)
Department music, instruments, instrument accessories
Manufacturer Sennheiser
ASIN B00018MSNI
Item model number HD 650
Customer Reviews
4.7 out of 5 stars 418 customer reviews

4.7 out of 5 stars
Best Sellers Rank #152 in Electronics > Headphones > Over-Ear Headphones
#1,858 in Electronics > Home Audio & Theater
#2,306 in Electronics > Portable Audio & Video > MP3 & MP4 Players & Accessories > MP3 & MP4 Player Accessories
Date first available at Amazon.com October 2, 2001

Technical Specification

Warranty [pdf ]

Warranty & Support

Product Warranty: For warranty information about this product, please click here [PDF ]

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Customer Reviews

Top Customer Reviews

Style Name: Headphones
So headphone.com calls them "simply the world's best headphone." I can't speak for the Grado or AKG contenders. I can say that they're better than my Sennheiser 590's, and that is shocking.

Which leads me to my first (and probably most important) point about this headphone. They cost a lot. A whole lot. Sennheiser has many units, including the 580, 590, 595, 600, and 650 (among many others), which could be construed as 'reference' quality. You'll spend about half as much on one of the 5xx models as you will on the 650. So if you were to ask me whether the 650 is *twice as good* (that is to say, it costs more in proportion to its increased capability), I'll tell you no, probably not. I might just not buy them, given the decision again. Perhaps if the price came down a bit.

At any rate, they are really a superb headphone. The sound is really incredible. You never really realize what you're missing in a recording until you've heard it through a set like this. You can hear the saliva in the back of a vocalist's throat. I'm not kidding. Everything is reproduced clearly, accurately, crisply, and I've yet to find any recording (Vocal, Classical, Electronic, etc) that can tax them. I suppose I'll stop trying to some day, but it's just wonderful to hear the headphones doing their job.

The construction is far more solid than the 590's are. Where there is plastic on the 590, you see metal and (no kidding) Kevlar. They are more attractive. They are also quite a bit heavier. They have a 1/4" connector instead of the more customary 1/8" mini connector -- this doesn't particularly bother me, I'll get to it in a minute.

Like the 590, they are an open headphone. That is, they are not "sealed" or "isolated".
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Style Name: Headphones
As a lover of classical music I am a confirmed headphone listener. No set of speakers will offer the same amount of detail, most living rooms will add acoustic distortions, and many of us are not lucky enough to be able to play Mahler or Shostakovich at full power on a daily basis without getting into trouble with the neighbours.

For years I have been very happy with the Sony CD1700, an excellent headphone which is my point of reference for evaluating the HD650. The rest of my hifi set-up consists of a Marantz cd7300 CD player, PM7200 amplifier, and Musical Fidelity X-Can v3 headphone amplifier (a mandatory commodity if you intend to spend serious money on a headphone like this one). Also, I invested in the Cardas replacement cable for the HD650.

It is often said phones like this one need a 'break in' period. I used to regard this merely as snobbish audiophile technobabble - but found it to be actually true. Initially, I was less than pleased with the sound of the HD650, to put it mildly. Mid-range, mezzoforte strings (which make up a VERY large part of orchestral music!) sounded grey and weirdly disembodied. Stereo separation was exaggerated while the middle part of the soundstage seemed empty. Compared to the breezy, open sound of the Sony, the Sennheiser seemed compressed and less immediately involving.
Things were not helped by the fact that the wearing comfort of these cans is markedly inferior to that of the Sony. The HD650 has fairly small shells that are not ideal if your ears aren't quite that small. Also, they are clamped against the head rather tightly, which is not entirely pleasant. The Sony, by contrast, simply lets you forget you are wearing it.

But then, after about 50 hours of listening, things had changed rather much.
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Style Name: Headphones
For some strange reason, I waited a long time to buy these headphones. Silly me. We review one of Sennheiser's top headphone options.

Originally released in 2003, the HD650 is certainly aging. In fact, the headphone market has exploded since its debut and it's no secret that there are better headphones out there. Heck, even Sennheiser has their flagship HD800 and the soon-to-be-released HD700, $1,500 and $1,000 respectively. But just because there are more expensive options doesn't mean those are the better options.

If you start reading into a site like Head-fi (which I love, don't get me wrong), you'll start to feel like the HD650 is a thing of the past. Why buy the inferior HD650 when the HD800 exists?? Well, a couple reasons actually:

(1) 99.9% of people would never, ever consider spending $1,500 on headphones. Most people couldn't afford it. Most that could wouldn't find the point in buying them. The HD800 is a unique headphone for unique people.

(2) The HD800 is probably the pickiest dynamic headphone ever made when it comes to powering them. Typically the rule of thumb is to spend as much on an amp as you do on the headphones. That's upping the ante; 99.999999% of people wouldn't spend $3,000 on a headphone setup.

The HD650 is a relative bargain in today's headphone market. So let's forget about all the more expensive, technically more superior options, if only just for the rest of this review.

::::: BUILD & AESTHETICS :::::

Though all plastic, they feel very sturdy and look quite sexy. I much prefer the graphite look to the HD600's mid-90's green marbling. Yuck. The velour pads are squishy enough, though the actual surface is a little scratchy. Doesn't bother me.
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