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AKG Pro Audio K240 STUDIO Over-Ear, Semi-Open, Professional Studio Headphones
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Brand | AKG |
Color | Gold |
Connectivity Technology | Bluetooth; Wired |
Model Name | K240 STUDIO |
Form Factor | Over Ear |
About this item
- Professional studio headphones
- Semi-open
- 3 m replaceable cable
- Audio Interface type: Stereo plug – 3.5mm (1/8-inch) with 6.3 mm (1/4”) screw-on adapter
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From the manufacturer

AKG K240 Studio
The AKG K240 Studio over-ear, semi-open headphones are designed for professional applications such as mixing, mastering and playback.

Classic Cans
Their advanced 30 mm XXL transducers with patented Varimotion diaphragms deliver a wide dynamic range, increased sensitivity and high sound levels, while their semi-open design provides a solid bass range and extremely clear highs.
With impressive accuracy, musicians, producers and engineers rely on the AKG K240 Studio to clearly hear mixing details, which has made these headphones a standard in recording settings. In addition to great sound quality, the headphones are extremely durable and comfortable.
Specifications
- Headphone type - semi-open
- Max. Input Power - 200 mW
- Sensitivity headphones - 91 dB SPL/V
- Rated Impedance - 55 Ohms
- Detachable cable - yes
- Cable Length - 3 m
- Earpads replaceable - yes
AKG K240 Studio
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Not only built to withstand the demands of countless hours in the studio, their self-adjusting headband provides an ideal fit and their over-ear pads nicely envelop the ears. |
The AKG K240 Studio headphones also feature a professional mini XLR connector and come with a 3 meter cable and convertible jack plug for connecting portable equipment easily. |
Altogether, from performance and ease of use to comfort and reliability, the AKG K240 Studio is a powerful tool for production environments. |

The AKG Legacy - Inspiring Greatness for Decades
For more than 65 years, AKG has helped create the iconic sounds of some of the world’s most well known recording artists, engineers and producers. Our designers and engineers have made it their life’s passion to find new ways to deliver breakthrough experiences for artists of all levels. Whether in the studio or on stage, when you wear AKG headphones, you’re seconds away from creating history.
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Customer Rating | 4.6 out of 5 stars (6402) | 4.3 out of 5 stars (558) | 4.6 out of 5 stars (10866) | 4.7 out of 5 stars (5102) | 4.8 out of 5 stars (13389) | 4.7 out of 5 stars (6274) |
Price | $69.00$69.00 | $52.03$52.03 | $49.00$49.00 | $74.99$74.99 | $89.99$89.99 | $69.00$69.00 |
Sold By | Amazon.com | Amazon.com | Amazon.com | Bsd Wholesale | Amazon.com | GearNuts |
Color | Gold | Black | Black | Black | Black | Black |
Fit Type | Over-Ear | over-ear | Circumaural | over-ear | Over-Ear | Circumaural |
Headphones Form Factor | Over Ear | Over Ear | Over Ear | On Ear | Over Ear | Over Ear |
Item Dimensions | 4.3 x 7.48 x 7.87 inches | 7.88 x 3.78 x 7.09 inches | 11.4 x 10 x 4.1 inches | 6.7 x 7.9 x 3.9 inches | 1 x 1 x 1 inches | 11.4 x 10 x 4.1 inches |
Item Weight | 0.53 lbs | 0.50 lbs | 6.70 ounces | 0.66 lbs | 0.50 lbs | 7.80 ounces |
Special Features | HIFI | DJ Style | Output Sound Pressure Level 96Db/Mw | Lightweight | foldable | Model Sealed Dynamic Type |
Product description
Product Description
AKG K240 Studio Headphones feature a classic design that has become a standard in monitoring. This newer, lower impedance, 55-ohm version provides remarkably higher volume level when used with portable studios, keyboards, drum machines and other project studio gear. It's a professional level of performance for the home studio. Features include an integrated semi-open air design with a highly accurate dynamic transducer for naturally open sound quality, and circumaural (around-the-ear) pads for hours of wearing comfort. Frequency range: 15 Hz to 25,000 Hz. Stereo (1/8-inch minijack and 1/4-inch) connections. AKG K240 Studio Features: Low, 55 Ohm impedance, plug-in cable, Self-adjusting headband for optimum fit, Single cable for ease of use, Semi-open, circumaural design. AKG'S MOST POPULAR PROFESSIONAL HEADPHONE. A classic design which has become a standard in monitoring. Now with Varimotion XXL capsule for studio sound at home and for portable use. The 'integrated semi-open air' design incorporates a highly accurate dynamic transducer, and an acoustically tuned venting structure behind the element produces a naturally open sound quality. The circumaural (around-the-ear) pads are designed for hours of wearing comfort, while the steel-cable, self-adjusting headband construction and single-sided professional quality audio interconnect ensure extended reliability in demanding professional studio applications. Proven, popular, excellent - New, improved and even better. Made in China. The item includes the OFC screw type cable.
From the Manufacturer
The AKG K 240 Studio is an update of the "classic" AKG K 240 Monitor. The new K 240 Studio delivers even wider dynamic range and higher sensitivity than its well-known and widely-used predecessor. The secret to the semi-open K 240 Studio's sound quality is the new XXL transducers in acoustically tuned vented enclosures with circumaural (around the ear) pads. The circumaural pads envelope your ears nicely and reward you with smooth, solid bass and well-balanced, articulate mids and highs.
Founded in Vienna, Austria in 1947, AKG has built a legendary reputation in the professional audio industry for products that perform flawlessly. The reputation of AKG and its celebrated quality are built on more than 55 years of experience, incredible design, meticulous craftsmanship and a clear understanding of what truly sounds right. AKG introduced the K 140 in 1974 and the K 240 Monitor in 1975, which became the most widely used headphones in recording studios and broadcast facilities worldwide. Generations of musicians and audio engineers use these AKG products to create great mixes, hit songs and albums cherished by millions around the world. The new AKG Professional Studio headphones carry on the tradition of these audio tools and are a sound investment that will pay handsome returns with years of flawless sonic performance for professional recording engineers and demanding users of high quality home or portable audio equipment.

XXL Transducers with Varimotion Diaphragm
The new XXL transducers use AKG's patented Varimotion diaphragm to ensure extremely accurate response at any listening level. This technology creates a diaphragm that is thinner, more elastic toward the outside edges for more powerful bass response and thicker, less resonant in the center for pure, accurate mids and clear, detailed highs. The large size of the transducers makes the overall sound more life-like and three-dimensional to capture the emotional and sonic content of your soundtracks.
Gimbal-Type Suspension
To ensure your listening comfort, AKG Professional Studio headphones utilize a self-adjusting headband with a flexible steel structure to deliver optimum fit for your headphones without any fiddling. The structure is flexible, yet strong enough to allow bending for single ear use and is durable enough to withstand rough handling. A gimbal-type suspension ensures the earcups of all AKG Professional Studio models will conform to the shape and size of your ears without pressing on them for hours of fatigue-free, comfortable listening.
Wear Them As You Like
Rugged construction, a non-twisting headband, and powerful sound allow you to use your headphones on a single ear only or wear them in any other way you may prefer. AKG Professional Studio headphones are ideal for DJ and live sound use because they are durable enough to withstand the roughest kind of handling during transport or on stage.
Detachable Cable with Mini XLR Connector
The new AKG Professional Studio headphones utilize a detachable input cable for easy replacement if ever necessary. The cable and headphones use mini XLR connectors for perfect contact and secure mechanical connection. The cable is made of 99.99% oxygen-free copper and has gold plated plugs on both ends including the screw-on 1/8" to 1/4" stereo jack adapter for maximum signal transfer.
Perfect for Portable Audio
You need good quality audio for all your listening--including computer, minidisc, portable CD or DAT player--as well as in the studio. Owing to their high sensitivity and wide dynamic range, the AKG Professional Series headphones are efficient enough to be used with these lower level output sources and still deliver the high definition sound you need when working in the studio or on stage. The excellent workmanship AKG headphones are known for and high quality components ensure loss-free transmission and reproduction of high-resolution signals from all types of digital audio sources.
Product information
Size:K240STUDIOItem Weight | 8.5 ounces |
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Product Dimensions | 4.3 x 7.48 x 7.87 inches |
Domestic Shipping | Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues. |
International Shipping | This item can be shipped to select countries outside of the U.S. Learn More |
ASIN | B0001ARCFA |
Item model number | K240STUDIO |
Customer Reviews |
4.6 out of 5 stars |
Best Sellers Rank |
#71 in Over-Ear Headphones
#268 in Earbud & In-Ear Headphones |
Is Discontinued By Manufacturer | No |
Date First Available | October 2, 2001 |
Color Name | Gold |
Connector Type | 3.5mm Jack |
Material Type | Stainless Steel |
Size | K240STUDIO |
Hardware Platform | PC |
Wattage | 200 Milliwatts |
Warranty & Support
Feedback
Customer reviews
Top reviews from the United States
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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 $300 to try to find headphones that are better than this, but if you're just looking for something to listen to music or even do some of your own recording, these are perfectly fine. As well, that removable wire and other reviews I've seen from trusted source means these are insanely durable; you may never need to buy another pair of headphones again.
In short, these are the best headphones I have ever come across. The sound leakage and lack of sub-bass could be a problem for some people, but personally they weren't massive enough to bring the score down. If you're on the fence, absolutely get these or their sister product the AKG M220's, you won't regret it. Samson makes a model that is clearly based off of these, and from what I've heard they're slightly heavier on the bass, though I personally went with these because of the removable wire and trust I have with the reviewers that recommended these.
These need an amplifier to get the best sound. I am using a schiitt magni2 at high gain, the low gain does not produce as much brightness and the lower ranges were barely noticeable, the high gain improves on that and produces very nice detailed sound.
Change the pads. The ones out of the box are terrible, I am using the XL brainwavz velour and they are fantastic.
Good:
Lightweight
Flexible
Sound stage
EQ sensitivity
Price/Value
BAD:
Cord is garbage and already broken within 3 months
I have owned this item for about 3 months and I have used it everyday, they come pretty flat I had noticed they seemed to be lacking in the bass department but only the low low bass, the mid bass is punchy and pulse pounding. I was trying to find the perfect sound so I partnered this up with my creative sound card and started EQing and I have to say I was surprised just how sensitive this pair of cans is to any tweak of the EQ.
The value of these cans is undeniable, I had a pair of Seinnhieser PC360s for about 5 years so I was really on the fence about a 50$ item replacing a 300$ item. However I do not regret my purchase whatsoever, these are in my opinion better, the soundtsage is what really does it.
I let some music run on these for a few days, every couple days the sound got warmer and flatter which i really liked, now the bass is much more responsive from the lower end but again thats not what this headphone is for.
Top reviews from other countries

Señores sepan lo que compran.

So disappointed indeed, I know people listen to different kinds of music and not just base heavy but I would have liked even a little "handling" of low end.
I wouldn't recommend these for your typical MP3 FLAC mobile phone music. Samsung AKG earphone are £10 on Genuine Accessories UK and AKG did a much better job with those.

Reviewed in the United Kingdom on February 1, 2019
So disappointed indeed, I know people listen to different kinds of music and not just base heavy but I would have liked even a little "handling" of low end.
I wouldn't recommend these for your typical MP3 FLAC mobile phone music. Samsung AKG earphone are £10 on Genuine Accessories UK and AKG did a much better job with those.




Nice flat response that have improved my mixes by leaps and bounds. If you're on the fence, don't be.
I read some people complaining about the bass. If you're expecting big bass like Beats headphones, you'll be disappointed. Beats are not flat response headphones and are tuned to increase the bass. These are for mixing/mastering to give you a true reflection on the sound.
These are awesome. Especially for their purpose as studio headphones.
Buy them.


So i tested these K240 on an external USB audio device and via a rackmount piece of equipment and still the same no sound in the left. So i thought i better check the phones output on my rackmount mixer with other headphones, i tested with an ancient pair of Sony headphones and also my AKG K52 headphones and all fine with the mixer and other equipment i tested K240 on. So now i will see what the customer services are like with warranty etc.
Also the AKG K52 sound a lot better through my mixer so save yourself a few quid and get the K52.
Update: Now the replacement set AKG 240 STUDIO are doing the same, so i was directed to tech support where the person on the phone did'nt seem to know what a 19" rack mount mixer was, Waste of Time.................
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