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Price: $399.95 - $35.99
(as of Dec 13, 2025 07:47:47 UTC – Details)
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Product description
Sennheiser HD 620S DISTRACTION OFF. OPEN SOUND ON.
The closed-back HD 620S is for audio enthusiasts seeking a distraction-free listening experience…
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Reviewer: S M
Rating: 5.0 out of 5 stars
Title: Stellar headphones – but only for certain genres
Review: 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.
Reviewer: Jasper994
Rating: 5.0 out of 5 stars
Title: Great, but make sure you pair this with a good DAC/source and AMP
Review: 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.
Reviewer: Lunar Kitten
Rating: 5.0 out of 5 stars
Title: Yes, get the 650! They’re the jack of all trades in the amazing HD 600 tier line of Sennheiser!
Review: 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! 🙂
Reviewer: 007
Rating: 4.0 out of 5 stars
Title: Great but flawed product that can be amazing with EQ
Review: Pros- Stellar sound quality with EQ, Perceived soundstage is vast, Super Comfortable while also being lightweight and very isolating for a non noise canceling headphone, solid build quality, replaceable pads and cable, ability to add a mic not included, quarter inch adapter included and decently priced at $299 sale price.Cons- stock sound quality is wonky but easily corrected with eq. Look up reviewer based Resolves eq adjustments and use an auto eq app to apply them. Regular price is too high I feel. The top headband should be user replaceable but it looks like it’s just glued on.Final Thoughts- While this isn’t a perfect headphone. The isolation and almost great sound quality out of the box except for certain songs is great. But my experience with this headphone with eq makes the wonkyness of the sound for certain songs disappear and just sound fantastic for the price. The isolation for this headphone if you can get a good seal is seriously impressive, I used this headphone at an event to monitor the audio and I could make out the audio coming from the headphones perfectly with the PA system at volume levels that were uncomfortable for me. If you know this is compromised headphone and can either deal with the experience or modify it so it’s perfect for your taste I see this as a good value product if you get it at the right price.
Reviewer: yazan alenzi
Rating: 5.0 out of 5 stars
Title:
Review: Really amazing sound. If any thing to note that it comes with unbalanced cable not balanced
Reviewer: JUAN CRUZ
Rating: 5.0 out of 5 stars
Title:
Review: En primer lugar aclaro que soy entusiasta de la música y trato de disfrutarla con la mayor calidad posible pero no me considero audiófilo, por lo que mi comentario es muy simple. He estado utilizando los sennheiser hd 599 SE y es la referencia que tengo. La diferencia es bastante notable al actualizar a los HD 650, desde que me los puse y escuche algunos de los disco de referencia que utilizo se nota la mejora del sonido en general, agudos y medios bien definidos y graves controlados. hice pruebas conectados a un DAC CAMBRIDGE AUDIO modelo DAC MAGICPLUS, 24 bits 192 kHz, con trasmisión de TIDAL y archivos propios en HI-RES. Próximamente haré pruebas con un DAC- amplificador dedicado de mayor resolución.
Reviewer: Matt Carr
Rating: 5.0 out of 5 stars
Title:
Review: Fantastic set of headphones. These are great all around headphones with a very warm and inviting sound. They are very easy to isten to for long periods of time because of the laid back sound and comfort. The earpads feel nice and aren’t “scratchy” feeling at all. The headband is also quite comfy on your head. Overall, just very comfortable headphones.These are darker sounding headphones, so the treble is a bit rolled off or recessed with a slight emphasis on the lows (bass). The mids really shine on these headphones, so they sound fantastic with female vocals.They aren’t the easiest to power, so they won’t sound top notch just plugged into a phone or mobile device. It’s advisable to combine with a headphone amp. I’m personally using mine with the Schiit Magni and Modi (amp & dac) and I am quite happy. The headphones scale up very well with higher end amps.Got these used from Amazon and they are basically in perfect condition. Cannot find the cosmetic imperfection on them, they seemed like new to me. Little disappointed with Amazons choice of carrier to deliver (Canada Post), as they just left the headphones on my porch at home when they delivered. Leaving a package containing 500 dollar headphones on someones deck doesn’t seem like the best idea. Luckily I collected these shortly after delivery without any issue.
Reviewer: Deepak Jena
Rating: 5.0 out of 5 stars
Title:
Review: This is one of the best headphones, but don’t buy it if you don’t know what this is for.1. This is an open-back headphone. Meaning that, this headphone doesn’t have Noise cancellation (active or passive). You can hear everything that’s happening around you (you can even hear the fan or AC sounds) and everyone can hear what song you are playing. You need a quite place to perfectly enjoy this headphone. But what you get is awesome soundstage, crystal clear vocals and exact reproduction of the studio recording.2. You don’t get wireless/Bluetooth (because we know that wireless tech is not yet at par with the bitrate that a simple cable can transfer, in fact, Wireless is too far behind). And you get a very long, very wide and very heavy cable with this headphone. But don’t take this the wrong way, the cable is strong and quite sturdy.3. You don’t get mic to use for calls. This headphone is not meant for that.4. You can’t use this directly with your mobile/PC/laptop (3.5mm jack or even the usb-to-3.5mm adapter). You can surely attach it, but without a proper AMP/DAC, the sound volume will be so feeble, low and lifeless that you would regret buying this ‘expensive’ headphone. You need something like a iFi AMP/DAC stack, or a Schiit Magni/Modi stack or something similar (I am suggesting budget options, of course you can opt for more expensive setup). This headphone NEEDS an AMP, and believe me when I say this, you need some powerful AMP to drive this headphone (meaning, utilize to it’s full potential).5. This headphone is not portable (of course you can take this anywhere, but that’s not what I mean). You need a setup (desktop/laptop with a AMP/DAC setup, good Hi-Resolution files or Hi-Res streaming service like Apple lossless or Tidal and a quite place to enjoy this). This is not a headphone you take on the bus/train/flight/playground/to sleep/class etc.So, final words, if you don’t know what the words “Studio monitors/Reference Class” on this headphone mean then it’s not for you. Studio professionals/music producers/good youtubers will appreciate this headphone. And I am none, but I am enjoying this headphone so much that I wouldn’t want to go back to anything else.I use this with an AudioQuest Dragonfly Red and the sound is simply out of this world.
Reviewer: Anónimo
Rating: 5.0 out of 5 stars
Title:
Review: Editado el 21 de junio de 2023: Llevo siete años con estos auriculares (desde 2016) y siguen siendo mis favoritos. He probado otros auriculares más caros (HIFIMAN Edition XS, Sennheiser HD 660S2) pero no hay otros que tengan este timbre tan realista, la neutralidad que ofrecen y la respuesta de agudos tan refinada. Lo único que puedo aconsejar para mejorarlos un poquito más es amplificar con ecualizador los subgraves (por debajo de 100 Hz). Estos auriculares son una maravilla que vale cada euro y que te pueden durar más de diez años sólo cambiando las almohadillas.—–Editado el 25 de septiembre de 2020: Han pasado cuatro años y medio desde que los compré , y todavía los disfruto muchísimo. Hoy los he estado comparando con unos Fidelio X2HR de Philips y he podido comprobar cómo estos Sennheiser tienen los agudos más refinados que he escuchado en unos auriculares. La única pega que he tenido con los HD 600 es que he tenido que cambiar las almohadillas este año, y son bastante caras… Aun así éstas aguantan hasta 3 años de uso exhaustivo. He añadido la imagen de una medición de la respuesta de frecuencias en el rango de los agudos, comparándola con otros modelos como los Philips X2HR y los Beyerdynamic DT 880. Esta es una de las razones por las que me gustan tanto los HD 600. La respuesta de los agudos se siente de buena calidad, suave y detallada, porque no sufre ningún pico irregular, al contrario de tantos otros modelos.—–Después de haber usando los Beyerdynamic DT880 durante tres años, hace un mes decidí probar estos auriculares, ya que había leído que eran sinónimo de neutralidad. Me arrepiento de no haber comprado estos tres años atrás.Me han encantado desde el primer momento. La comodidad es excelente (los DT880 son también muy cómodos, pero prefiero estos por ser completamente abiertos). El sonido es tan detallado como en los Beyerdynamic pero, además, puedo disfrutar de una respuesta de frecuencias neutra.Estoy de acuerdo en que algunas producciones pueden parecer planas, “aburridas”, pero desde mi punto de vista eso es problema de la producción y no de los auriculares. Además, siempre se puede remediar con un ajuste de ecualización.Estos auriculares ganan presencia en los medios comparado con los DT 880 y no me cabe duda en que el sonido es en su conjunto más natural. No producen nada de fatiga auditiva.El único público al que no recomendaría estos auriculares es a quienes buscan sólamente bajos explosivos de pistas electrónicas. No estoy diciendo que estos auriculares tengan mala respuesta de bajos, de hecho me parece correcta, pero de ningún modo llegan a ofrecer sub-bajos “aniquilantes”.En esta opinión intento ser objetivo, pero tened en cuenta que en el mundo del sonido toman también mucha importancia los gustos, y si bien yo disfruto los HD 600 por encima de los Beyerdynamic DT 880 y los considero una mejor opción, a otra persona le puede parecer lo contrario. Pero no cabe duda de que los Sennheiser ofrecen una respuesta más neutra. Y, desde el punto de vista objetivo, neutralidad y fidelidad son sinónimos.Añado que en realidad no son tan llamativos como parece en la fotografía, sino que son más discretos y elegantes. El color azul es muy suave, casi gris. Esto para mí ha sido una agradable sorpresa (esto lo escribí hace años, ahora el diseño es gris oscuro…).
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