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Sennheiser HD 650 Audiophile-Grade Hi-Fi Professional Headphones (HD650)

Premium Audiophile-Grade Hi-Fi Professional Stereo Headphones with Clear Open-Air/Open-Back Design

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$499.95

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Sennheiser HD 650 Audiophile-Grade Hi-Fi Professional Headphones (HD650)

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Sennheiser Audio Store

AUDIOPHILE, PREMIUM, BEST IN-CLASS, SENNHEISER

The Sennheiser HD 650 Headphones Offer an Incredible Listening Experience

The Sennheiser HD 650 Hi-Fi Professional Stereo Headphones will put you right in the middle of your favorite artist's recording sessions. These premium audiophile-grade open-back headphones were carefully designed to provide you with truly natural sound image to make you feel like you're sitting in the same room as the music you are listening to. These superbly balanced headphones provide the classic Sennheiser sound quality you're accustomed to. Hand picked components, special acoustic materials and out-of-this-world engineering ensure the HD 650's provide you with the absolute best sound possible. The HD 650 will captivate your senses and offers total immersion into a sea of music; letting you completely disregard your surroundings and be taken away into your imagination. Life truly is too short not to treat yourself to the phenomenal listening experience of the HD 650.



The Sennheiser HD 650 Headphones Offer an Incredible Listening Experience LEGENDARY SENNHEISER SOUND

The HD 650's feature such authentic, natural sound reproduction that you'll never want to take your headphones off. Innovative technology like a specially developed acoustic silk and hand selected drivers all but eliminates harmonic distortion while the lightweight aluminum voice coils provide a lightning fast transient response time. The open back design completes a truly immersive listening experience.


Comfort to Match the Sound Quality LUXURIOUS COMFORT

Immaculate Sennheiser workmanship created in the HD650's, some of the most comfortable headphones ever designed. The elliptically shaped earpads fully enclose the ear, providing both a natural, comfortable fit as well as outstanding noise isolation. With luxuriously padded earcups and an amazingly soft headband, you will be able to enjoy hours of absolute comfort while you get lost in your headphones.


SPECIALLY DESIGNED OFC CABLE OFC Quality Sound

Sennheiser spared no detail when designing the HD 650's, including the cable. Sennhesier specially designed a high quality 100% Oxygen Free Copper (OFC) cable for the HD 650s to ensure your audio signal's are never distorted. This resilient detachable cable features a Kevlar fiber reinforcement for incredible durability.


I found the HD650s strike an incredible balance of presence, reality, resolution, and detail, all while still managing to be just plain fun to listen to.

- Justin Peacock, recordingmag.com


Product Features:

Specifications:

  • Cable Length: 9.8 ft. (3 m) detachable single-sided OFC copper cable
  • Contact pressure: 2.5 N
  • Ear Coupling: Around-the-ear
  • Frequency Response (headphones): 10-39,500 Hz
  • Jack Plug: 6.3 mm/3.5 mm Stereo
  • Nominal Impedance: 300 ohm*
    • * Due to the high impedance rating, we at Sonic Electronix emphatically recommend that you purchase a headphone amplifier with these headphones in order to get the best results possible.

  • Sound Pressure Level (SPL): 103 dB (1V RMS)
  • Total Harmonic Distortion (THD): ≤ 0.05%
  • Transducer Principle: Open-aire, dynamic
  • Weight (w/o cable): 9.2 oz. (260 g)

What's in the Box?

Sennheiser HD 650 What's in the Box?
  1. Sennheiser HD 650 Professional Stereo Headphones
  2. Detachable 3 Meter Headphone Cable
  3. 1/4" to 1/8" Adapter (6.35-to-3.5mm)
  4. Protective Storage Case
  5. Owner's Manual

Sonic Electronix Insights (Scale from 1-5, 5 Being the Best)

Comfort & Ergonomics
Rates how comfortable the headphones are, taking into account build quality and materials used. Judged on a scale of 1 to 5 with 1 being uncomfortable and 5 being so comfortable you could sleep while wearing them.
5 out of 5 - Amazing! Forget I'm Wearing Them!
Overall Audio Quality
Overall rating of how well the headphones perform with 1 being an unimpressive audio quality and 5 being the absolute best.
5 out of 5 - Best of the Best
Hip-Hop, Rap, EDM, Dubstep & Pop Optimized
How well the headphones perform for hip-hop, rap, EDM, dubstep and pop music genres with 1 being not recommended and 5 representing headphones that were designed with these specific genres in mind.
5 out of 5 - Any Rapper Would Be Proud
Rock & Alternative Optimized
How well the headphones perform for rock and alternative genres with 1 being not recommended and 5 representing headphones that were designed with these specific genres in mind.
5 out of 5 - Any Rocker Would Be Proud
Instrumental & Classical Optimized
How well the headphones perform for instrumental and classical music genres with 1 being not recommended and 5 representing headphones that were designed with these specific genres in mind.
5 out of 5 - Mozart Would Be Proud
Optimized for All Genres
Rates how well the headphones perform for all music genres with 1 being not recommended and 5 being top-of-the-line music reproduction.
5 out of 5 - Any Genre You Want
Build Quality
Overall Construction quality of the headphones. This rates on a scale of 1 to 5 the overall construction quality of the headphones with 1 being the poorest quality and 5 being as close to indestructible as a pair of headphones can get.
4 out of 5 - High Quality and Durable Construction
Design
Overall design of the headphones. This rates on a scale of 1 to 5 the overall design of the headphones, including construction, sound quality and accessories with 1 being the lowest and 5 being top-of-the-line.
5 out of 5 - Best of the Best
Isolation
Rated on a scale of 1 to 5 with 1 being no isolation and 5 being complete isolation, this gives you an idea of how well the headphones seal your ears from your surrounding environment.
1 out of 5 - You'll still hear everything around you
Value
Value refers to the quality of headphones (how they sound, how they're built, etc.) for the price.
4 out of 5 - For the Money, These are Tough to Beat

Sound Signature

Sound Staging & Imaging
Sound Staging and Imaging refers to the ability of a pair of headphones to create the placement of instruments and vocalists in a recording. A small sound stage is very difficult to determine where the instruments are in relation to the vocalists, everything sounds like it's coming from the same place. An extra large sound stage separates the instruments and vocalists so that you can clearly tell where each is on the sound stage.
Large
Clarity/Detail
Refers to how clear the headphones audio reproduction is.
Extreme
Tone/Timbre
Refers to the quality of a music note that distinguishes different types of sound production (voices, musical instruments, etc.).
Warm
Bass
Refers to the bass performance of the headphones. Rated from Light bass to extreme bass.
Medium
Bass Detail
How accurately a headphone can reproduce bass notes; a culmination of attack, speed, decay and clarity. Attack is how precisely it can begin a bass note without delay. Speed is the ability to continue to attack an array of bass notes without lagging. Decay is the length of time after a bass note ends that the sound is still heard. Clarity is how easily all bass frequencies are heard. It gives perception of loose, tight, or muddy bass.
Tight

Headphone Design

Headphone Type

This is the design of the earpieces on the headphones. Some headphones go inside the ear, while others rest on the outside of the ear. This helps you know exactly what type of headphones you will be receiving.

In-Ear: The ear buds go into the ear. Most often, the right and left ear buds are two separate pieces.

Enclosed-Ear: Usually are found on the larger headphones. They rest on top of the ear and have padding for comfort, as well as enclosing the ear to the speaker. This type of headphone helps to filter out surrounding noise.

On-Ear: This type of headphone involves the speaker sitting gently on the ear without going in the ear or sealing it off.

Enclosed-Ear
Headband Type

Headphone type refers to the construction of the headphones.

Around the Ear means that the headphones wrap around the ear to provide a secure fit. This is most often seen in active and sports headphones.

Around the Neck means that the headphones wrap around the neck. This is also seen in active and sports headphones.

Earbuds means that the right and left sides of the headphones are separated and will fit securely into the ear. These are small, compact, and user friendly.

Over the Head headphones mean that the right and left speakers are connected with a support that goes over the head and rests on top. This is the typical headphone type.

Over the Head
Specifically For
Some headphones can use an IR Transmitter in your vehicle, while some can be plugged into your media device and be used on the go or at home.
Home/Portable
Headphone Application

This is the application that the headphones are designed for. Each application has unique features that make it perfect for particular uses.

DJ: These headphones are durable, loud, and will often allow for one ear listening.

Gaming Delivers explosive sound and allows you to communicate with others.

Home Hi-Fi: These audiophile headphones are engineered to produce high fidelity and accurate audio.

Home/Office: These headphones are designed to produce rich, brilliant sounds that the artists would appreciate.

Sports: Designed for active use. These headphones are made to stay in (or on) the ear during workouts.

Kids: Feature noise limiting technology so that your little ones don't damage their ears listening to music too loud.

On-the-Go: On-the-go headphones are lightweight and often fold up for easy storage and portability.

Student: Compact and rugged enough to survive life in a backpack; inexpensive enough to not hurt the wallet of a student.

Studio: Reproduce music perfectly without any coloration. Look here for reference quality studio monitoring headphones.

Traveler/Airplane: These headphones are compact, lightweight, and have a portable design.

Home Hi-Fi
Acoustic Principle

The basic design of the headphones. There are 3 different types:

Open: Have ports that allow air through the back of the diaphragms, enabling the headphones to sound like the music is coming from an outside source.

Closed: Completely sealed and have no air passing through the diaphragms. Sounds like you are in a closed off room.

Semi-open: Have slots or ports in the back of the cup and are partially open. This allows for a mixed sound between an open and closed headphone.

Open

General Features

Noise-Canceling
Noise Reduction technology removes unwanted noise from a signal. Background or ambient noise can be removed to produce clearer speech and enhanced hearing. Typically these Active Noise Canceling (ANC) headphones are powered and use batteries to activate the noise canceling technology. Also referred to as Noise Reduction or Noise Cancellation.
No
Built-In Microphone
This means that the headphones or earbuds have a built-in microphone. This can be a microphone on the cord, built into the headphone, or even a boom microphone. These mics can be used for music devices like iPods, for Smartphones to make and receive calls, or for gaming purposes.
No
Headphone Connection
This is how the headphones connect to the audio source.

Corded means that the headphones use a cord to transfer the audio signal.

Bluetooth means that the audio signal is transmitted from your device to the headphones via a Bluetooth connection.

Corded or Bluetooth means that the headphones can be used as corded headphones or as Bluetooth headphones. They have an input in one or both earcups for use as a corded headphone while they also have a built-in battery for use as Bluetooth wireless headphones.

Wireless means that the audio signal is transmitted wirelessly to the headphones.

Corded
Volume Adjustment
Volume Adjustment means that the headphone (independent of the source) can adjust the playback volume. Many headphones and ear buds have in-line volume control, which allows adjusting the audible volume from a switch on the headphones cord. Other headphones have a volume knob on the headphone can.
No
Jack Size
Refers to whether the headphones use a 3.5mm or 1/4" headphone jack connection.
1/4"
Jack Angle

The Jack Angle refers to the angle of the input jack on the headphone cable.


Straight Jack: Straight plug with no angle.


Angled Jack: Angled plug, usually a 90 degree angle.

Swivel Jack: A swivel jack is able to swivel between a straight plug and an angled plug.

Straight Jack
Included Adapters
Refers to the connection adapters included with the headphones like 3.5mm or 1/4" input adapter as well as airplane adapters that let you use your headphones with airplane specific headphone jacks.
3.5mm Adapter
Detachable Cable
Refers to whether the cable can detach from the headphones. If a pair of headphones has a detachable cable, the cable can be replaced with a longer cable, one with (or without) a microphone or if you accidentally damage the cable.
Yes
Color Shades
Primary color shades of the headphones.
Silver/Gray
Material
Refers to materials used to build the headphones. Most headphones are built from some combination of plastic and metal to give you a durable pair of headphones.
Metal
Plastic
Ear Cushion/Earbud Material
Refers to the material that the ear cushions/earbuds are made from. Ear cushions and earbuds are available in a variety of materials, ranging from basic rubber eartips to plush leather ear cushions intended for maximum comfort.
Memory Foam
Velour
Replaceable Ear Cushions
Refers to whether the ear cushions can be removed and replaced. Often times on heavily used headphones, the ear pads can wear out long before the actual headphones. Headphones with replaceable earpads often last much longer than headphones without replaceable earpads.
Yes
Protective Case
Refers to whether a pair of headphones come with a protective case.
Hardshell Case
Water Resistant
This refers to the level of water resistance of the fitness tracker. Some fitness trackers are water resistant and can be used while swimming, while others are only splash proof or should not be used near the water.
No
Foldable
Refers to whether a pair of headphones can be folded up. These headphones feature hinges in the frame above the earcups that allow the headphones to neatly fold into a much more manageable size. Folding headphones are perfect for anyone who spends a lot of time traveling and needs a compact pair of headphones that can fit in their bags.
No

Audio Features

Impedance
The opposition to electric current, a higher impedance means a higher electrical resistance. This is measured in ohms.
300 ohms
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
10 - 39,500 Hz
Audiophile
Audiophile headphones represent some of the finest headphones available. Audiophile headphones produce genuinely outstanding sound quality as well as extraordinary build quality, components and comfort. They are truly the finest headphones available.
Yes
Built-in Amplifier
This refers to whether the headphones have an amplifier built-in.
No
Amplifier Recommended
This refers to whether a separate headphone amplifier is recommended for use with a specific pair of headphones. It is highly recommended that any headphone with an impedance greater than 100 ohms be amplified.
Yes (Accessory Recommended)

What is in the Box?

Main Product
The main product in the box.
Sennheiser HD 650 Headphones
Accessories
Accessories included with the headphones
3.5mm Adapter
Carrying Case
Paperwork
Paperwork included with the product.
User Guide
Warranty Card

Specials with this Item

Promotions
Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!
VIP Guarantee

Warranty and Return Policy

Parts Warranty Duration
2 years
Labor Warranty Duration
2 years
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
86%
4 Star
14%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
4.7
Value
4.7
Features
4.7
Design
4.6
Usability
4.9
NG

New York

Overall
Durability
Value
Features
Design
Usability
Fantastic

January 11, 2015

This is one of the most easily recognized and well regarded high end headphones in the past 20 years. I've read a lot of reviews on this, but after purchasing it for myself, the sound that came through was very full and warm, with a mid-range soundstage and a substantial but not punchy mid-bass. I think I hear the "veil" that a lot of audiophiles talk about, which comes through as a slightly dark treble and mids. However, this seems to affect vocals very little. Some may be bothered by this, but I'm definitely not.

Anyways, Sonic Electronix offered a great price for these, and I'm quite satisfied with the product, the value, and the service.

38 of 71 found this helpful

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Tao

Durham, NC

Overall
Durability
Value
Features
Design
Usability
Great audiophile headphone at a reasonable price

May 18, 2014

I bought the HD 650 while on promotion at Sonic Electronix. Though I expected this to be a quality product, it was still very impressive when I first opened the box. The headphone is well designed and looks high-end.
Compared to my Grado SR 60i and Audio-Technica ATH-M50, the HD 650 has much richer and more precise sound. It is more comfortable to wear than the 60i and comparable to the M50.
At 103 dB, it is a highly efficient headphone. I can hear a lot of details in the music than with the other two headphones. With 300 ohms, it means low distortion but also means it is better to be driven by a dedicated headphone amplifier. I am now using a CEntrance DACport to drive it. The sound is acceptable, though I suspect it would sound more louder and better if I had a more powerful amplifier. But for now, I am satisfied with the performance. Overall, I am happy with this purchase. For new users who don't have a dedicated amplifier, make sure you maximize the volume bar on the music player on your computer; otherwise you might think the HD 650 is too hard to drive. I did not realize this problem when I used the HD 650 for the first night, my heart sunk when the sound from the headphone was so low. Previously, it was not much an issue with my M50 as that one is much easier to drive and it is loud enough even the player on my computer is set at the medium volumes. Not the case for the HD 650.
I am also pleased with the purchase experience with Sonic Electronix.

38 of 71 found this helpful

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SocalsourD

Los Angeles CA

Overall
Durability
Value
Features
Design
Usability
HD 650

May 22, 2013

I was very pleased with the Sennheiser hd650 headphones. They are very spacious and present. These cans have some serious output impedance and need to be used with an amplifier to get their full potential. Over all I would say these are an incredible value.

35 of 69 found this helpful

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bitcars

NC

Overall
Durability
Value
Features
Design
Usability
Great headphones

April 24, 2015

Bought this pair of headphones on sale. These headphones are generally very well reviewed. To me they are definitely worth the money. The sound of these headphones are more laid back compared to HD600, still very sweet and smooth, but darker in general. The low-end has a pretty big body, yet not excessive. lows can go very deep while being more laid back than its predecessors. Still lacking some of texture but very punchy. Highs are smooth, but not very revealing. Nothing like the DT880. Maybe that's what the famous "veiled" sound of HD650 refers to. I think the mid and mid-high is where it shines on these headphones. Very revealing mid, smooth and alive, yet not too intimidating. One thing I noticed about these headphones is that the sound quality improves with the better source and amp, and the "veiled" feeling is less and less with better equipments. Most significantly improvement is in the sound stage and transparency. The headphone can sound very large and transparent with a good DAC and amp, and more and more revealing in the highs. But they can also sound unimpressive with some low-end sources. Personally I think the amp should be at least in the $200 range to do them justice. OTL such as Crack+speedball is definitely a great pairing for these phones, and speedball is a must have addon. For me, Crack alone cannot produce a sound stage wide enough on these headphones, or completely lift the veil.

10 of 21 found this helpful

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Joey

Hazlet, NJ

Overall
Durability
Value
Features
Design
Usability
Great Headphones

May 18, 2014

I'm not an audiophile and I haven't owned many headphones, so I can't really be technical about this. All I know is the HD 650 sounds very good with the built-in amp in my sound card. It is comfortable to wear in long periods and the build quality is pretty good.

33 of 68 found this helpful

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Mr. Ugly Man

Palo Alto, CA

Overall
Durability
Value
Features
Design
Usability
Pretty Amazing

May 22, 2013

Things I like:
Snug fit but comfortable
Sexy looking headphones (like me, lol)
well balanced, crisp clear sound and open sound makes echos from instruments sound amazing.
good for jazz, oldies, and vocals (sounds amazing on Hide & Seek by Imogen Heap)

They don't sound bad but not my favorite when I was listening to hip hop, dubstep or other music with heavy bass. They don't have that impact you would expect when listening to those types of music. I prefer my Beyerdynamic DT990s for that. With that being said I would choose the HD650 for every other type of music. I really went back and forth between the two but really couldn't choose one over the other so I just went ahead and got these as well. That may seem like a lot of money but when you listen to music all day it's definitely worth the investment. It's nice to treat yourself well every now and then.

28 of 59 found this helpful

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Chet

Media, PA

Overall
Durability
Value
Features
Design
Usability
Step up to the HD 650

September 19, 2014

After two years with the HD 598, the HD 650 is a step up headphone for me. The HD 598 is very good but I was curious about taking my listening to the next level. I had been endlessly reading and watching reviews. Finally, after an opportunity to listen to the HD 650 as well as some other contenders, I made my move. This is a terrific headphone: smooth, detailed, non-fatiguing, with deep, warm bass response. The clamping pressure is somewhat tight but by no means uncomfortable. The HD 650 sounds excellent out of my AV receiver and Fiio X3 on high gain setting. It sounds even better with a dedicated headphone amplifier.
I'm very happy with my choice. Sonic Electronix offered a great sale price and fast shipping.

33 of 74 found this helpful

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Accessory Tools and Products

Accessories added

Sennheiser HDVA 600

Audiophile-grade Analog Headphone Amplifier

Your Price $1599.95

NuForce HA-200

Premium Audiophile Grade Headphone Amplifier

Your Price $349.00

Calyx CALYX M (M1)

Portable Hi Resolution Hand Held Music Player & DAC

Your Price $999.99

HIFIMAN HM-901

High Fidelity Portable Music Player w/ Standard Amp Card

Your Price $999.99

CYK Studio Headphone T-Stand (White)

Stylish Headphone Stand w/ Silicon Cable Holder

Your Price $19.99

StreetWires ZN5XF35

ZeroNoise 5 Series 3.5mm (1/8") mini-jack extension cable with oxygen-free copper wire

Your Price $16.95

Browse 1 question and 11 answers
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Why did you choose this?
Sonic Electronix Store
Great reviews and killer price.
John S on Apr 30, 2015
Very, very, well reviewed in multiple trustworthy sources.
Abner J C on Jan 25, 2015
Exceptional price; with Sonic coupon the price of this highly coveted sennheiser headphone was the cheapest on any online retailer by $100.00....even Amazon. Great job! Thanks Sonicelectronic
Marlon G on Mar 21, 2015
I got jealous of the Bose headphones I bought my wife for christmas, and I hear these are better
Connor W on Jan 15, 2015

Product Summary

Manufacturer

Model Number

HD 650

UPC

615104099692

Weight

3.10lbs

Internal SKU

hd650

Internal Product ID

31638

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Sennheiser HD 650 Audiophile-Grade Hi-Fi Professional Headphones (HD650)

  • Sennheiser HD 650 (HD650) Open-Back Over-Ear Audiophile Headphones
  • Headphones Based on Musical Preference | What Type of Listener Are You?
  • Headphone Acoustic Principles