AKG

AKG K240STUDIO Semi-Open Studio Headphones

Name: AKG K240STUDIO Semi-Open Studio Headphones
Brand: AKG
Price: 8.17 USD
Availability: InStock
Rating: 4.5 (12484 reviews)

Based on 12,484 reviews

Condition: New

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Frequently asked questions

The term 'semi-open' means that the AKG K240 Studio headphones offer a balance between open and closed-back designs. This allows for a more natural sound experience compared to completely closed headphones, but with some noise isolation to reduce ambient sound leakage.

Yes, these headphones are known for their comfort during long sessions. They feature an over-ear design, adjustable headband and thick, padded ear cups to ensure comfort during extended use.

These headphones deliver clear, detailed audio with a wide dynamic range, which makes them ideal for professional activities such as studio recording, mixing and mastering. Additionally, they have a durable build and replaceable parts for longevity.

Yes, the AKG K240 Studio headphones come with a detachable 3m cable, a convertible jack plug, and a pair of velour ear pads.

Top Amazon Reviews

🚀 Abunda's Overview

This is our summary and key points to consider based on customer reviews.

The AKG K240 Studio headphones are highly praised by professionals for their sound clarity and balance, particularly in audio engineering tasks such as mixing and mastering. Their comfort and affordability are other strong points. However, they may not be the best choice for casual users looking for superior sound quality in entertainment, given their purposeful sound leakage and less bass-heavy output. Despite their plastic construction, their build quality is highly regarded.

Pros

🎧 Highly recommended for professional use such as mixing and mastering
💸 Affordable price point for the quality of sound and build provided
👂 Comfortable for extended use
🔊 Superior clarity and sound balance

Cons

⚠️ Not suitable for casual music listening due to purposeful sound leakage and less bass-heavy output
🔔 Too much sound leakage, making it unsuitable for recording sessions or listening in crowded places
🔌 Very long cable that may be excessive for some users
💼 Less superior to other headphones when applied to bass music

Should I Buy It?

Buy the AKG K240 Studio headphones if you are an audio engineer or professional looking for budget-friendly headphones with great clarity and sound balance. If you are just looking for entertainment, other headphones designed for casual listening might be a wiser choice.

Best headphones I have ever used.

Style: Over Ear Headphones

I'm going to start with the cons because there are so few that it's easier to say what these do wrong compared to everything else. Cons - no rumbling bass. I personally like this, as I find heavy sub-bass such as in Beats Solo 2 headphones or most other consumer sets to be a bit grating after a while, to the point that I have a headache. These headphones are definitely not for bass-heads in any way. You'll be able to tell the rumble is there, but it's not nearly as prevalent as in other headphones. As a result, if you are a bass-head, you'll probably think these are a bit weak. Instead, you'll be hearing the tone and the notes of the bass a lot more than you would with other headphones in the same price range. - sound leakage/isolation. These are semi-open headphones, meaning sound can get in and get out easier than in a closed-back headphone. Again, I personally haven't had a problem with this yet, but it does limit where you can use them. I found that 50% volume on my laptop was both perfectly loud enough for the music to ring through with power and clarity, while also not bothering those around me. As for sound coming in, I could hear my parents and the TV, but not enough to make out any words. These allow you to be aware of your surroundings, but at the same time they wouldn't work for a train or air travel, as the lack of noise cancelling allows the sounds of the engines and track to overpower the music. Pros - the sound. Thanks to the semi-open design, the highs and mids in these headphones are beautiful. You can see for yourself how the semi-open cups change this by covering them with your hands while you're listening, doing so makes the music a bit more claustrophobic with harsher treble. Everything I've tried with them, whether it be Kendrick Lamar, Dying Fetus, Miles Davis, or Nirvana, has sounded better than I've ever heard. These are designed for studio recording, and as a result have a very flat and even sound that doesn't emphasize any particular frequency. They're bright, but not ear piercing. They have bass, but it doesn't drown out the rest of the music, even on an insanely bass-heavy album like 21 Savage & Offset's "Without Warning." Since these are made for studio recording and production, you'll naturally get as close a sound as possible to how the music is supposed to sound, without modifications to any particular. I've been able to hear details in some songs I had no idea were there, and it's a wonderful experience to relive some of my favorite albums with this more studio accurate sound. - comfort. These headphones are very, very light, with soft leather cushions and a leather headband. While it's a bit odd for headphones that sound this good to be so light initially, it's actually quite nice and allows for extended listening without discomfort. No adjustment is needed when putting these on; instead of having the locking sections most headphones do for adjusting them, these have springs in the headband. This allows them to fit comfortably by just putting them on, without figuring out exactly where each cup needs to be to make it feel right. I personally found the cups to be big enough for my ears to fit almost completely inside of them, but I've seen some complain that they are too small, so take note of that. One of the other benefits of the previously mentioned semi-open design is allowing some air to come through as well; my ears did not get nearly as hot as they did with Beats or Sony Gold or any other closed back headphones I've used, which is something I have been dying to have for a long time. - looks. Of course this is completely personal taste. I think these headphones look awesome, but I can understand if someone else doesn't. AKG makes another model that is a bit less retro looking called the AKG M220 which might be more someone's style. They're pretty much the exact same headphones, except with a white and black color scheme and a price point that's about $2 higher than these. - wire. The wire this thing came with is long, longer than I've seen in most stores outside of Fry's or Best Buy. That works great for me, as I'm going to mainly use these in my dorm where I need to move around. You can also buy a replacement wire if this one isn't long enough that's 25 feet. Speaking of replacement, yes, these headphones have a replaceable wire, meaning it's not really a big deal if the wire breaks. It might be a bit difficult to find a cable for them though, as instead of a normal aux cord, these have a 35mm plug on one end and a mini XLR on the other that plugs into the headphones. It's a stronger fit than other headphones I've used with removable wires, but also a slightly confusing design choice. These also come with an adapter for larger plugs such as those you'd find on the headphone port of a receiver, not something I myself needed but welcome nonetheless. - price. I got these for around $68, an insanely low price for how good these are. You can easily go over $100, $200, or even $300 to try to find headphones that are better than this, but if you're just looking for something to listen to music or even do some of your own recording, these are perfectly fine. As well, that removable wire and other reviews I've seen from trusted source means these are insanely durable; you may never need to buy another pair of headphones again. In short, these are the best headphones I have ever come across. The sound leakage and lack of sub-bass could be a problem for some people, but personally they weren't massive enough to bring the score down. If you're on the fence, absolutely get these or their sister product the AKG M220's, you won't regret it. Samson makes a model that is clearly based off of these, and from what I've heard they're slightly heavier on the bass, though I personally went with these because of the removable wire and trust I have with the reviewers that recommended these. ... show more

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Reviewed in the United States on January 5, 2018 by Timothy Ernst

The Best Studio Grade Phones For The Money Right Now

Style: Over Ear Headphones

The short and sweet of these phones is they are a really solid cheap option for studio grade flat response phones that are well worth the money and where you should be making your entry into the studio grade space with AKG. Read on for a more detailed review Testing performed on an SMSL DAC using Optical Windows 10 at 24 bit 96000Hz Studio quality no enhancements of any kind Tested using Spotify Premium Quality, Youtube videos, and MusicBee FLAC music, and some Bluray Movies Compared against Sennheiser HD598 and Pioneer HDJ-1000(for distortion purposes) So these headphones were a very pleasant surprise for me to give a review. The last “cheap AKG” phones I’ve had any experience with were the K70. Those phones were flat just on the edge of tin like and overall a massive disappointment. I might be considered an “audiofile” by some and would consider my setup to be at the bottom of premium. I normally listen to things on a set of HD598 that I love with everything and an S.M.S.L. DAC connected via SPDIF(optical). So coming into these phones at this price point I was not expecting good things to say the least given my last experience. Turns out I was way off base as these are really solid phones. So first things first the sound is very neutral which is something I look for in studio grade phones. No bass boosting or extra crystal in the highs. Just nice neutral sound to appreciate the original source material. The sound stage is large but The highs are nice and clear with a little cut off at the peaks. The bass is nice warm and clear if a little flat. Giving a listen to a bass boosted version of Invincible I would have to crank my DAC to a level that on my HD598’s would have my ears bleeding. However there was no distortion or muddling so I would more likely chalk it up to gain hunger for bass than I would weak output. Switching over to a song I know has a lot of highs as well as bass I gave a listen to Ignoring My Heart Bass Boosted. The story was the same. No real distortion happening I could discern a clear difference between the highs and the bass on the drops. I think the lesson here is if you’re wanting a rich thick bass signature out of these phones then you’re going to have to be listening on a dedicated device like a DAC or Audio Interface and not a phone/tablet. Highs I listened to a couple songs that give me a good impression of the highs and their qualities. First off I listened to Jolie Coquine by Caravan Palace. DAC was at the normal level I keep it at this time around and everything from the lyrics to the violins were nice a clear if a bit lacking in the peaks. Next up a gave Beauty Beats by Beats Antique a listen which has the highs more muted but still present in the foreground. It was a much better listening experience here the violins are more in the background while the fiddles are more foreground. Next up I gave Carmina Burana a go particularly the version performed by the London Philharmonic Orchestra. It’s one of the best versions that really shows off highs as well as giving you a solid idea of the sound stage of the phones. This was outstandingly good in terms of the highs but the sound stage was quite lacking here.I would say it's about half as wide as my HD 598's. Last I gave Madame Coquette by Tape Five a listen and noticed the slight cut off in the highs once a gain compared to my 598’s. It’s nothing an average listener would notice or someone who’s more a casual listener would notice but it’s definitely there in the highs Mids songs are always really hard to pick out because I think a huge difference in peoples listening experience comes in at the Mids. So I would use my track list here to find where your listening defaults lie. First off I gave My Kind of Town by Sinatra a listen because with the lyrics and the woods section I think this song has a really solid mid presence throughout. Here’s where I noticed the first bit of the corner cutting that I think gets these phones into the price point they are in. There’s a flatness that isn’t obvious but very pronounced. It sounds like you get to right where a mid would fill your sound stage and it stops just before that. Next up I gave In The Air Tonight by Collins a listen. I think this song is a good choice because the Mids are what I would call the essence of this song. No real issues here this time around and the flatness isn’t as big of a deal here. Moving on to movies and general video content from the likes of YouTube, Netflix, etc I think this is where the phones really shine. The overall neutral sound signature gives any spoken word content a perfect balance. Everything form YouTube videos to movies to Netflix sounded as good as I expected it to sound. With no real issues or noticeable drops offs of any kind. Everything sounds just right in my book. So conclusion time is upon us and it’s important that you remember that sound in general is a very subjective medium and it’s hard to just outright say something or give a person a conclusive yes or no answer to a question. All that taken into account are these good headphones? Yes I think the neutral studio sound signature and level detail in the sound is perfect for this price point. If you’re a streamer, gamer, or video watcher then these headphones are hard to beat. If you’re a big music listener or expect booming thunderous sounds then I think you should look elsewhere. I don’t honestly believe you can get a set of headphones that are this comfortable and this quality at this price without a major sale going on at the time. These are a solid buy and a solid 5 star from me. ... show more

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Reviewed in the United States on June 3, 2018 by Gate

These are only for professionals

Style: Over Ear Headphones

Do not get these to listen to music, podcasts, watch movies, tv shows, audio books, or any kind of audio entertainment. And especially don't get this for porn! I'll explain why further down. This device is for professionals only. If you're not mastering or producing audio projects from music to podcasts etc, then you have no business here. Put it this way. I have the AKG N60, which is way more expensive than the AKG K240s. I use the AKG N60 to listen to music, because music sounds way better on the AKG N60 than the AKG K240. When I make beats beats, I use the AKG K240. Because the sounds are more clear. It is easier to know how to pan and how to EQ sounds and their frequencies using the AKG K240 than on the N60. The N60 is meant for entertainment and chill. The AKG K240s is meant for work. Plain and simple. So if you're looking for entertainment headphones use the money you were going to use for this and buy headphones made for entertainment. If you're a producer, and you're here to WORK with professional studio/monitor headphones under $100 or under $80, this is for you. If you've made the mistake to get these for entertainment purposes, you will be disappointed and find the audio quality to be cheap. And that's your fault for not listening to the pros or doing your research. So if you're here for entertainment no need to read further, move on with your life and find something else. If you're here to WORK, please read on. Now that we have that out of the way and the civilians are gone, let's get to WORK. If you want great fantastic studio/monitor headphones that gives you musical orgasmic experiences, you want something that costs hundreds and hundreds of dollars. But if you want to get the job done and are under a strict budget, you're going to fall in love with these guys. Especially if you buy fluffier ear pad replacements like I did. Its so fluffy! And made the sound a bit more roomier, but also less punchy, and less pronounced, because the little speakers are further away from your ear. But somehow it makes the sounds clearer if you will, I'm guessing because its roomier with fluffier ear pads. Now, there's nothing wrong with the default ear pads. They are comfortable giving you hours of play. I mean WORK. I just took that extra step. Fluffier ear pads allow you to play even longer. I'm sorry, I mean WORK. Though not sure how healthy that is, breaking night because you cant stop creating, exploring and perfecting sound. These headphones are def! ;) A few things to keep in mind as an audio engineer. These are no good for LIVE recording, or wearing these as you record vocals or instruments like a guitar or piano, etc. The reason being is because they are semi-open. Which means the sound purposely leaks out of the headphones and will leak into the mic, totally messing up your recording! For those you want closed studio headphones, not the AKG K240s. Now if you're making beats, mixing tracks, mastering audio projects, editing a podcast/interviews etc, these are perfect! Let me explain this leakage in terms most can understand. If you want to listen to >>>PORN<<< privately without disturbing people next door, like your parents or other family members, these are a very poor choice! You can hear the noise leakage outside of your room from the other side of the door! So in short, if your place in making music is recording in a sound booth, stay away from the AKG K240's! The K240 is for those who work outside of the booth. The noise leakage helps in making the sounds clearer because it gives the sounds more room rather than trapping the sounds. Helps in panning, EQueing, etc. It's also helpful in hearing a potential attacker like Jason, Pennywise or Michael Myers stepping up behind you, giving you a chance at survival. But since you'll be working so hard, the chances of you falling asleep on your chair and falling prey to Freddy Krueger are very high! So if you feel tired, do the right thing. Turn everything off and go to bed. Your head will be more clear for the next time you tackle your audio projects. And Freddy isn't really into responsible audio engineers. Or is he? One other thing I want to share, that I didn't know about these babies. This is no baby!! These headphones represent the birth of Generation X. Disco, Rap, Heavy Metal, House, Punk etc. The AKG K240s is basically a remix of the original 1975 K240 Sextett. And its exact look and golden colors make it a replica of the 1984 K240M. These were used by producers who worked for many legends who came to be during the birth and revolution of digital music. Let that sink in, for all of you 808 Trap heads out there. Yup. One thing to think about for Trap beat enthusiasts. People who know more than me, say these aren't that great for listening to bass music. That's kind of redundant information being that these aren't meant for chilling to music. They're meant for real work. Anyhow, imagine perfecting the most righteous 808 kick bass sound with the K240 and then mastering and mixing everything together so it all sounds perfect. Then imagine how that would sound to people listening to it through hifi speakers or headphones meant for listening to music and how insanely extra bass heavy it will sound while still sounding clear with all the sounds in place and arranged. That's what I'm experiencing right now. Results that go boom-boom with quality clarity. Something to keep in mind. Do I recommend this for people who just want to listen to music? Seriously? Didn't I tell you to get lost already? You do not belong here! BEAT IT! Do I recommend this for audio engineers who edit and master audio projects of all kinds trying to get professional studio headphones for under $80? Hell yes I do. And while you're at it, go get the fluffiest ear muffs you can find. ... show more

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Reviewed in the United States on December 12, 2020 by Richy Gee

AKG K240 versus ATH-M50x versus Sony MDR-1RBT versus Motorola S305 (or $65 versus $120 versus $220 versus $25)

Style: Over Ear Headphones

I impulsively bought 3 sets of headphones in the last two weeks after reading technical material and dozens of comments, reviews and comparisons, and after watching several YouTube video reviews. First, I bought the AKG K-240 "semi-open" Studio Headphones through Amazon Prime for right at $65. Second I bought the Audio Technica ATH-M50x closed back Professional Headphones on eBay for $120. And third, I bought the Sony MDR-1RBT closed back Bluetooth Headphones on eBay for $220. I could not wait to hear the "sound stage" of the AKG's, and thought I'd experience more of a live-concert sound. I could not wait to experience the passive noise cancellation and to hear the "sound isolation" of the M50x's which would let me hear details in the musical instruments and voices I've been missing and muddying. And above all I could not wait to get through the Sony MDR-1RBT's all of what the M50x's might give me and even more, and maybe even without the wires. I felt all three sets would fit me physically, be just as comfortable, and let me find something unique and desirable in the experience of each set. I like electric blues and power and symphonic metal. I like fast and driving electric guitar and driving and full sounding acoustic guitar. I like metal bands with female lead vocals. I opened the Sony MDR-1RBT's first knowing I needed to charge them. They came in a beautiful package with a carrying case, micro USB cord, and a 3' cord with male 35.mm connections at each end, and a 1/4 inch adapter. I opened the M50x's "repackaged" box and found 3 cords as they describe in the product specs online, and a nice carrying case. I liked the accessories. I opened the AKG K-240's with its one proprietary cord and a 1/4" adapter to fit the 3.5mm male end of the cord - no carrying case. Nothing seemed anything but extremely well-made. The MDR-1RBT's fit very snuggly around my ears - too much so. The M50x's fit absolutely perfectly and felt much better on my head. The AKG K-240's then felt just a little bigger (wider) around my ear than the M50x's and they weren't pressed quite as firmly as the M50x's. I liked the Audio Technica's the best so I decided to listen to them first and let them set a benchmark for the other two. I have a desktop with an expensive sound card, connected through a Rolls Buzz Off, to a JVC Tuner/Receiver, which outputs to the headphones. I had a selection of my favorite music The ATH-M50x's gave me my first experience of professional headphones. It was a wonderful experience from blues and electric blues, to hard rock, and to symphonic metal. I paused the music and replayed some guitar riffs, various vocals and some passages of rushing orchestral metal. Everything sounded amazing! Then I grabbed the AKG K-240's and played the same songs. They might have sounded "truly amazing" if I hadn't just heard "even more amazing" from the ATH-M50x's. I didn't really experience much more of a sound stage from the open backed K-240's. I put the m50x's on again and then went back to the AKG's just to raise the volume some to compensate for the open back sound leakage. Not even when I turned up the volume to match the music of the M50x's did the AKG's ever sound as defined, detailed, full, rich, and consuming. I knew could wear the AKG headphones all day right out of the box, while the M50x's might have to get worn in for a more relaxed fit a little in time. The Sony's would never be comfortable in comparison to the other two - my ears would always be just a little cramped. The AKG's had a longer cord than I really needed sitting at my desk in my home office, but for that same reason the 2 extra cords ( 1 coiled and 1 straight ) that came with the ATH-M50x's were not a big selling point for me. Then I waited for the Sony's to fully charge. In a few hours I prepared myself to stack the ATH-M50x's against the Sony MDR-1RBT's which Versus.com has scored and then used as a benchmark against all other headsets. They said the Sony's were the headset to beat. I replayed the M50x's with the closed back and wondered "could the Sony's really be obviously a better set of headphones?" I re-heard the selection of music I had gathered together for this test. Again the M50x's were awesome. Then I ran the Sony's via cord first to compare apples to apples. I'd test the wireless Bluetooth sound of them later. For me the Sony's did not do anything better than the ATH-M50x's. What a let down!!! For less than $65 the AKG-K240's were nice and even nicer with a little higher volume while connected to the PC/Soundcard/Rolls/JVC Receiver connection. On the front audio connection to my PC motherboard the AKG's outperformed my old Skull Candy's but they didn't come anywhere near the ATH-M50x's in detail and vibrancy. For $120 the ATH-M50x's gave me great sound on every piece of music both on the PC/soundcard/Rolls/JVC Receiver connection AND on the little audio output from my motherboard. The same results happened when I tried both sets on my laptop. For $220 the Sony MDR-1RBT's didn't give me any noticeable advantage over the ATH-M50x's in any genre of music hooked into either of my three music sources (PC sound card, PC motherboard audio jack, and laptop audio jack). The Sony's or in any one of the music genre's. Tighter on my ears, one little 3.5 mm cable??? If I'm going anywhere and need Bluetooth to connect with my car stereo or with my Cellphone I'll put on my Motorola S305's that cost me all of $22 bucks. The Audio Technica ATH M50x's win the permanent place at my home office and at the office, and anywhere I travel with my laptop. Hope this helps somebody trying to navigate through the maze of options. A worship team guitarist wants to buy the AKG K240's for what I paid for them. He'll probably appreciate them more. ... show more

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Reviewed in the United States on October 17, 2015 by jeffc333

Plenty of Pros. No unintentional cons here. Solid purchase!

Style: Over Ear Headphones

My review of the AKG K 240's is a few months in the making. I've purchased entry level headphones several times in the last number of years, primarily Sennheiser PX-100s and the Koss PortaPros. Notice that I listed only two headphones, that's because I've had to buy them several times. Various issues. First pair of good cans I ever bought, a family pet destroyed. However, specifically the Sennheiser PX-100s came apart on their own. Several times. Sennheisers excellent warranty system got me into new ones every time,so they have not been a bad experience, but it is kind of upsetting to have something you purchase fall apart on it's own. I digress, but only a little, as durability is a factor here. The end game of AKG K 240s usage? I like them, for good reasons. What I've noticed in the length of I've had them: The initial cord that comes with the cans is long. Way too long for casual use. Chairs run over it, stuff gets snagged, it's an extra foot of cable in your pocket, it's not a portable cord, it's the stay still and love them cord, which makes the cord an excellent cord to come packaged in the box. Have not yet purchased a smaller cord, but am quite happy that this feature exists to take advantage of. Most cans, the cord gets messed up, you need a whole new pair of headphones, with these obviously anything happens to the cable, and you can be up and running again with a new cable, and everything's great. Important point: Sound. The sound. That's why you're buying cans. That's why you're here now. The sound is great. Let me color that tho, my initial experience, meaning first song I played, (after taking off the PortaPros which I had been using religiously for the last year) I could not figure out what happened to all my bass, especially seeing as how these things are so large. I'll get into the size in a bit, but first things first, the sound. Today? The sound is perfect. It's wonderful. The profile is one you can get used to, minimal fatigue for good reason, and the precision and granularity feels like you are hooking a stethoscope up to your audio tracks. Really. It's great for gaming since, key word here, clarity and directional sound provide great auditory information and it's intuitive. Nothing's off about the cans in that department save the curious lack of bass when I was someone else, putting these on for the first time. Lots of headphones amp their bass response. AKG wonders who these people are. They're semi-open, which is better for clarity than closed, and great for environmental awareness. If you've only had closed back phones, assuming you're aware this difference exists, AKG allows your environment to aurally hit you're ear, and the headphones provides a listening stage which sits somewhere nestled inside of it, if you can even believe that. You're playing XBOX, maybe listening to some tunes, and you can hear your friends nearby. They can't hear your music, maybe lightly if they're sitting next to you, but you can hear them talking, and your tracks are not in the background, but around you, and the conversation is somewhere all outside of that. So fidelity is the word here. In my limited headphone experience, they are of a high caliber in the fidelity department of the Sennheiser PX-100, Grado, PortaPros, and what else is in the entry level good-cans bracket. The grados I've never had the pleasure of utilizing, but the AKGs are right up there with the other guys, providing a better depth of sound. Stethoscope to your tunes, baby. You buy these, you're a doctor now. Anyway, I used to never want to be caught dead in public wearing anything this big, which is why the sennheisers and koss were such friends of mine, but these look so nice, no one minds. People just kind of think they're nice or I'm flashy. They're comfortable around the neck in public for me, but I'm a big guy. The gimbal suspension makes them always comfortable to wear. Gimbal means you don't adjust the phones to your head, they adjust to you, however you have them. So Kudos! Buy them for yourself, or if they're a gift, and you've made it this far, you're not going to be wrong buying these. There are other pros, but I couldn't recommend the durability, listening profile, aesthetics, and engaging price any higher. Cons? They're not over the ear pads, but they're obviously not supposed to be, so if size is a con, or the fact that they're semi-open is a con, then there's that. Outside of design, the only cons is that, if you've never experienced them, they look like they should explode your head in bass, but they don't. Meaning some music can feel like something's lacking when making the transition, but the fidelity of the phone brings the bass into a good contrast of the whole sound profile. ... show more

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Reviewed in the United States on September 3, 2017 by angelicarahpsody

These are great headphones ...

Style: Over Ear Headphones

... if you understand that they are excellent STUDIO or detailed listening headphones. They are not light on bass, but also they do not unrealistically emphasize bass like consumer headphones do. I've been listening to these for about six hours now, and as they settle in and get broken in, they keep getting better and better. I've thrown all kinds of music at them - a LOT of classical piano, some orchestral works, cello, brass, a drum improv, 0-Daiko (huge Japanese drums), female and male vocals, rock incl metal, and more. They do a fantastic job on all of it. If you want smooth and accurate bass, the way it is being performed, recorded or produced, the K240s will do the job nicely, without overstating or understating anything. Mids are detailed and clear, so is the treble. They sound very similar to my studio monitors, which is exactly what I was hoping for. I don't want my headphones to alter the sound in any way. I want them to accurately reproduce it. These are NOT noise-canceling or noise-isolation headphones. You will hear noise from the room, and the room (and any open mics) will hear whatever you are listening to on the headphones. That is just an instrinsic feature of open-back (or partially open-back) headphones. No bluetooth either. This is a wired-only headset. The cord has a female mini-XLR connector on the headphone end, and a 3.5 mm plug on the other (plus a 1/4" adapter). The headphones don't appear cheap or poorly made. I plan to treat them with respect, hanging them up when not in use and that sort of thing. I've ordered replacement memory foam ear pads (Brainwavz) and a 3 meter cord. The provided ear pads and cord are more than servicable, however. The cord has a nice rubbery texture and is a good length. I just needed a little longer. I recommend the use of a headphone amp or audio interface with these headphones. I'm using a DAC amp I got on Amazon for $50 (https://www.amazon.com/gp/product/B07XJ89KV6/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1) and I have found that I need to feed the K240s quite a bit more gain with it than the Philips headphones needed. If you have an underpowered audio section on your phone or tablet, it might not be enough for the K240. Most higher-end smartphones and laptops will be fine. However, still consider a headphone amp. Not just for volume, but for dynamic range, for signal to noise. You don't want your headphones to be starved for oomph when it matters most, and I think these could be underpowered and struggling in the wrong setting. The best feature of these headphones is that they disappear. They are very light, and the sound is very clear and airy. As a result, I find myself forgetting that I am even wearing them. It's just me and the music. And that is a good place to be. These are very tough to beat in the open headphones category, unless you are prepared to spend $400 for a pair of Sennheiser HD-600s and even then it's a bit of a horse race. Perhaps consider the Beyerdynamic DT 990 Pro for $150. But you can buy the K240s AND a decent small headphone amp for $100. Then sit back and enjoy them. That's what I plan to do. ... show more

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Reviewed in the United States on June 21, 2022 by Anonymoose

Very impressive

Style: Over Ear Headphones

I wasn't expecting much when I purchased the K240 Studios. I was just looking for a good headphone for traveling that was about $100. And I think I'm getting more than my money's worth with these AKG's. I'm relatively new to the headphone world so I haven't heard a lot of pairs but I know what kind of sound I like as I'm sure we all do. So here are my impressions of the good and bad of the 240's. The Good -Very pleasing frequency response characteristics. I'm not a big fan of too much treble and I think the 240's roll of the treble just about perfectly for my taste. They have a fair bit of detail during dynamic passages but when things get quiet, they won't allow you to pick out every little inflection in the recording. Mids are very well balanced in my opinion. They sound very natural throughout the midrange and there are no peaks or valleys that I can hear. Mids are not as forward as Grados but I still consider the 240's a pretty "lively" pair. And bass is a pleasant surprise. They go relatively deep (deeper than a $100 headphone should if you ask me) and the bass is always well-controlled. I would say there's a bit of a bump in the upper bass but it's not something that's distracting. Rather, it gives the 240's a "fun" sound that makes them a thoroughly relaxing listen. -Respectable imaging. After about 50 hours of run time, I find the imaging very good for a headphone in this price range. they're not the widest- or deepest-sounding cans I've heard but they present individual sounds in a very coherent and pleasing way spatially. The right source material and amp will definitely make a difference in this respect, too. -Adequately comfortable - The pleather earpads do get a little warm and sticky but I haven't had any gripes about leaving them on for a few hours at a time. I have a big head so I consider this a pretty positive thing. I didn't think I'd like the self-adjusting headband for that reason but it's implemented very well and "hugs" the head nicely. And I should also mention that when I first picked up the box, I thought somebody had forgotten to put a pair of headphones in it. That's how light they are. The Not So Good -Construction - It's not awful by any means but the earcups in particular seem a bit cheap and the pleather earpads don't look like they're as solidly attached to the cups as they could be. Neither of these items seem to affect the sound so they're minor gripes but on close inspection, the 240's aren't the most glamorous cans I've ever seen. -Break-in - I've never been much of a break-in proponent until I started getting deeper into higher end headphones. And with that said, these definitely need some run-in before they relax. Out of the box, the mids were more than a little shouty and the treble had a grainy quality that I wasn't a big fan of. Imaging is really one-dimensional for the first several hours, too. So give them some time and they'll end up sounding much better. -Cord - Again, not awful but I've definitely seen better cords. The 240's cord just seems too small for such an otherwise substantial can. I like the single-sided approach with the quick mini-XLR disconnect but the rest of the cord could be a little beefier. That's about it. All in all, a fantastic can at a great price point. 4 stars for aesthetics and 5 for sound for the money. ... show more

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Reviewed in the United States on November 11, 2010 by A. Reichert

Muddy - Not Accurate.

Style: Over Ear Headphones

Not accurate - way too much low end. I bought these thinking they would have a flat frequency response, but they feel pretty muddy. Otherwise they are adequate headphones. I would not buy them again though, as they are not accurate.

Reviewed in the United States on August 23, 2026 by Frank Braker

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Frequently asked questions

What makes the AKG K240 Studio headphones semi-open?

Are the AKG K240 Studio headphones comfortable for prolonged use?

What makes the AKG K240 Studio headphones suitable for professional use?

Does the AKG K240 Studio come with any additional accessories or cables?

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