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Sennheiser

Sennheiser Consumer Audio HD 650 - Audiophile Hi-Res Open Back Dynamic Headphone, Titan

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Availability: In Stock.
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Arrives Saturday, Jan 17
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Style: HD 650


Features

  • Specially designed acoustic silk ensures precision damping over the entire frequency range and helps to reduce THD to an incredible 0.05 percent
  • Improved frequency response is 10 39,500 Hertz ( 10 dB)
  • Hand selected matched driver elements; Highly optimized magnet systems for minimum harmonic and inter modulation distortion
  • High power neodymium magnets deliver maximum efficiency; 3.5 millimetre jack plug. Frequency response (Headphones):10 41000 Hz
  • Lightweight aluminum voice coils for very fast transient response
  • Cable length 118 inches

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. Putting on the headphones and using them- Put on your headphones and then pull the ear cups down until they rest comfortably over the ears. Make sure you have them the right way round by observing the “R” (right) and “L” (left) markings on the ear cups. For optimum sound quality, ensure that the ear cups are not covered. 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)

Brand: Sennheiser Pro Audio


Color: Gray


Ear Placement: Over Ear


Form Factor: Over Ear


Noise Control: Sound Isolation


Sensitivity: 103 dB


Headphones Jack: 3.5 mm Jack


Model Name: HD 650


Connectivity Technology: Wired


Wireless Communication Technology: Bluetooth


Included Components: 3.5 MM Jack and 1/4" connector


Age Range (Description): Adult


Material: Aluminum, Plastic


Specific Uses For Product: Music


Recommended Uses For Product: Music


Compatible Devices: Laptops, Desktops, Tablets, Cellphones, Music Production Equipment, Car Audio Systems


Control Type: Media Control


Cable Feature: Jack plug, 3.5mm


Item Weight: 9.12 Ounces


Water Resistance Level: Not Water Resistant


Unit Count: 1.0 Count


Style: HD 650


Control Method: Touch


Number of Items: 1


Audio Driver Type: Dynamic Driver


Audio Driver Size: 42 Millimeters


Earpiece Shape: Rounded


Series Number: 508825


Hardware Interface: 1/4-inch Audio


UPC: 700615305605 658700901129 615104340497


Input Device Interface: Audio jack


Noise Control Features: sound isolation


Generation: 1


Supports Bluetooth Technology: Yes


Special Feature: Lightweight


Global Trade Identification Number: 97, 60


Manufacturer: Sennheiser


Product Dimensions: 12.4 x 10 x 4.33 inches


Item Weight: 9.1 ounces


Item model number: 508825


Batteries: 1 AAA batteries required.


Is Discontinued By Manufacturer: No


Date First Available: April 2, 2004


Department: unisex


Language: English, French, Spanish


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Jan 17

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Stellar headphones - but only for certain genres
Style: HD 600
These are hands-down incredible headphones for non-bass heavy genres. They have a way of letting you hear things in music that you've just never heard before, and might just make you cry. It's truly an experience, and I adore them for it. They're comfortable (though a bit tight-fitting at first), well-made, the cord is good and long. They feel solid but they're not too heavy. The one downside is they do have a significant bass roll-off, meaning they don't perform as well for genres like rap. Everything sounds fine; they're just a bit too 'polite' for music that's meant to have a lot of punch or heavy bass, so if you're looking for that, look elsewhere. But for most other music; rock, pop, classical, some electronic, the experience is -phenomenal-. If you've never experienced a good pair of Senns, you're in for a treat. You will need a DAC/headphone amp to power them, as they are high-impedance headphones. I went with the Topping DX3 Pro+, which works just fine, though I had to use the high gain setting to get the full power out of these. Also, although they sound great out of the box, a little EQ will really let these shine - in Windows, Peace on top of EqualizerAPO will let you choose some great AutoEQ settings that you can then tune to your liking. ... show more
Reviewed in the United States on September 3, 2025 by S M
    • Great, but make sure you pair this with a good DAC/source and AMP
Style: HD 650
If you're willing to invest in a good DAC and AMP combo to pair with these headphones, then they are highly worth it. I have mine paired with a Schiit Audio Bifrost 2/64 (DAC) and a Schiit Audio Midgard (AMP) with Mogami Gold Balanced cables between the DAC and AMP. Sounds great with acoustic/folk/rock/classical/orchestral/vocal/country music also performs well with most pop music. I would not recommend these for RAP. The clarity is great, but you'll probably find them a bit lacking in bass for Rap music. ... show more
Reviewed in the United States on November 16, 2025 by Jasper994
    • Yes, get the 650! They’re the jack of all trades in the amazing HD 600 tier line of Sennheiser!
Style: HD 650
These are a part of “knights of the round table” headphones. Let me get something straight — there is no one perfect pair of headphones. It’s a curse to the wallet but yet it’s a blessing in the sense that headphones are a magical journey of taking two of your senses (hearing and touch) to whole new levels you may never experience by simply just by being in it. With so many headphones out there, there’s that many ways to explore audio and more! Exciting, right? I am an audiophile and have a room dedicated to my headphones as well as listening. Audio is an incredible passion of mine and I want to share my take on these 650s! 1: So, Sennheiser is among the crem-de-la-crem (pardon the spelling) of headphone producers. 2: Sennheiser is a great brand to get into headphones when you’re new to it. It’s also got great value for performance. You honestly can’t go wrong with them. 3: If you’re on a budget and can really only afford to just have that one or two pairs of headphones. The Sennheiser 650’s are a jack of all trades with its sound profile. They are a definite buy for sure! Paired with a Khadas Tone Board and JDS Labs Atom, you can have a pretty top tier, affordable setup. For real sides! 4: These work well with so many different types of DACS and amps. I personally pair them with THX789’s from Mass/Drop, Khadas Tone Board, or my Okto Research 8’s. The THX 788 made by Monoprice is a nice combo DAC/AMP. 5. In terms of the Sennheiser line, there’s the boss tier (not necessary at all to own) like 800 and 820s. There’s the studio recording line denoted by PRO. There’s the lower end with the 598 and below. The 600 range (where these headphones sit at) is the sweet spot of excellence. If you want a bass-y emphasized performance, go with the 58X from Drop.com. They’re the resurrected Jubilees which are an updated, updated version of the HD580s. These are super solid, great for listening for long periods. You can’t go wrong. You can plug these into a device without an amp and get great volume. If you want super duper separated sound with ridiculous detail with more revealing performance in the highs and mid/highs, the 600s are your go to headphones! They’re very objective (an audiophile term generally meaning “as-is” or “unemphasized” as possible). With the wrong setup, they can sometimes even be a little sibilant. The 650s are truly the Goldilocks of the HD600 line. These emphasize the mids much more than the others. It’s often considered a sin by some audiophiles to use EQ functionality to adjust the sound. I can say that the 650s are at that point where they can be lightly EQ-ed to offer more bass and treble response. Now, onto the last thing that I think is important to mention — these have been replaced and succeeded by the Sennheiser 660s. They’re a worthy successor to replace the 650s. They are pretty close in frequency response. However, the upgrade comes with the comfort (clamp force) and the consistency of the drivers to produce frequencies. What does that translate to? - The HD660s really do a good job of sounding good with vocals, slightly less warm, and sound good without a lot of readjustment on your ears. They’re on the brighter side than the HD650. The brightness is a personal preference kind of thing. For some, they might like this for classical music. For some, they may find themselves hitting user fatigue sooner than the 650. My opinion: The HD650 are still my go despite the update with the 660s. I think that the 660s is wonderful but I prefer to stick the HD650s because of their versatility. I can listen to them for hours! It’s a great starting spot for audiophile tier headphones that will always, always be my daily headphones for all kinds of music. They’re also a great starting spot as well as a great spot to end on. Additionally, I would check out the Sundara by Hifiman if you’re wanting to explore planars. They’re very much like the 650s of planar headphones. Enjoy and happy listening! :) ... show more
Reviewed in the United States on November 16, 2019 by Lunar Kitten
    • Sennheiser Still Sets the Standard for Quality Headphones
Style: HD 650
I recently purchased a new pair of Sennheiser headphones to replace my old ones, which I had been using for several years and was always very happy with. I’m pleased to see that, unlike many other brands, Sennheiser has managed to maintain the same high level of quality despite all the changes in the market. The first thing I noticed was the signature Sennheiser sound: detailed and clear highs, balanced mids, and a tight, controlled bass. The audio quality is still impressive listening to music or working with these headphones is truly a pleasure! The build quality is also top-notch: everything feels solid, with no cheap plastic or loose parts. I really hope Sennheiser will continue to maintain these high standards and not go down the same path as other brands whose quality dropped significantly after changes in ownership. For now, I can only recommend these headphones they remain a benchmark in the headphone world! ... show more
Reviewed in the United States on November 2, 2025 by Alex Melnik

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