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AKG

AKG K240STUDIO Semi-Open Studio Headphones

  • Based on 16,267 reviews
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Style: Over Ear Headphones


Features

  • 55 ohms impedance, plug-in cable
  • Self-adjusting headband for optimum fit
  • Single cable for ease of use
  • Semi-open, circumaural design

Description

Discover the AKG Pro K240 Studio over-ear, semi-open wired headphones, your ultimate companion for mixing, mastering, Hi-Fi listening, podcasts, and content creation. These studio headphones are equipped with 30 mm XXL transducers and patented Varimotion diaphragms, delivering a wide dynamic range and high sound levels. The semi-open design delivers solid bass and extremely clear highs, making them perfect for studio monitor headphones, or for critical listening. Designed for impressive accuracy, the K240 Studio headphones allow you to clearly hear every mixing detail, making them a standard in professional studio environments. Whether you are a podcaster, music producer, or audiophile, these headphones provide the reliability and performance you need for recording and monitoring. The self-adjusting headband and over-ear pads ensure maximum comfort, even during long studio sessions. Durability is also a key feature of the K240 Studio headphones. Built to withstand the demands of countless hours in the studio. They come with a 1/8" Stereo connector and a screw-on adapter for 1/4" applications and a 3-meter cable for versatile connectivity. The convertible jack plug allows you to connect to portable equipment with ease, enhancing your workflow efficiency. These headphones are not just for professionals; they are also perfect for anyone looking for high-quality headphones for music production, content creation, and podcasting, or just listening to music. Upgrade your studio setup with the AKG Pro K240 Studio headphones and experience the perfect blend of performance, comfort, reliability, and affordability. Whether you are editing, mixing, or simply enjoying your favorite tracks, these headphones will exceed your expectations and become an essential part of your audio gear. 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. Delivers solid bass and well-balanced mids and highs XXL Transducers with Varimotion DiaphragmThe 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 SuspensionTo 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 LikeRugged 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 ConnectorThe 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 AudioYou 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.

Brand: AKG


Color: Gold


Ear Placement: Over Ear


Form Factor: Over Ear


Impedance: 55 Ohms


Noise Control: None


Frequency Response: 28000 Hz


Sensitivity: 104 dB


Headphones Jack: 3.5 mm;6.3 mm


Model Name: K240 STUDIO


Connectivity Technology: Wired


Included Components: 3 meter (10 feet) cable with stereo 3.5 mm (1/8") connector, 6.3 mm (1/4") screw-on adapter, K240 Studio Headphones


Age Range (Description): All


Material: Stainless Steel


Specific Uses For Product: Audiophile, DJ and Studio, Music Listening


Recommended Uses For Product: Music


Compatible Devices: Laptops, Desktops, Music Production Equipment, Tablets, Cellphones, Telephones


Control Type: Call Control


Cable Feature: Detachable


Item Weight: 240 Grams


Water Resistance Level: Not Water Resistant


Customer Package Type: Standard Packaging


Style: Over Ear Headphones


Control Method: Remote


Number of Items: 1


Controller Type: Wired


Audio Driver Type: Dynamic Driver


Earpiece Shape: Rounded


Hardware Interface: 1/4-inch Audio


UPC: 885038026730


Input Device Interface: Audio jack


Supports Bluetooth Technology: No


Special Feature: Detachable Cable


Global Trade Identification Number: 44, 50, 33


Manufacturer: AKG


Item Weight: 8.5 ounces


Product Dimensions: 8.8 x 9.2 x 4.3 inches


Item model number: K240STUDIO


Is Discontinued By Manufacturer: No


Date First Available: September 1, 2004


Color Name: Gold


Connector Type: plug-in


Material Type: Stainless Steel


Size: One Size


Color Screen: No


Hardware Platform: PC


Linux System Requirements: pc


Mac System Requirements: pc


Windows System Requirements: pc


Unix System Requirements: pc


Wattage: 200 Milliwatts


Units: 1.0 Count


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.

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🚀 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
  • đź’¸ Affordable price point for the quality of sound and build provided
  • đź‘‚ 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
  • đź”” 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
  • đź’Ľ 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.

    • 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
Reviewed in the United States on June 3, 2018 by Gate
    • One of the best budget headphones there is
Style: Over Ear Headphones
I love these things. I've gifted several to friends. They're comfortable, durable, sound great and have a solid enough after market to change out the cups, cord etc. if needed. They're easy to drive and fit a wide range of head sizes too. Probably one of the best starter headphones there is.
Reviewed in the United States on December 27, 2025 by Nicholas grogg
    • For the price, it’ll serve you well
Style: Over Ear Headphones
I bought these for my partner, but she ended up not needing them, so I’ve been using them for guitar practice out of my effects processor. Overall, the quality is nice enough. A little cheap feeling, but that could just be due to the wire head band design. They sound clean, not EQ’d to all hell, are comfortable, and have a detachable cable, which is nice since I keep the cable plugged in and just bring out the headphones for practice. Used a proprietary cable in the headphone side, which is annoying, but acceptable. One thing to note: for those that do not know, these won’t be good for just listening to music and chilling. These are essentially “monitoring” headphones, so you’re going to hear a rather raw sound from them. This is ideal for studio and instrument work, not so much for leisure. ... show more
Reviewed in the United States on December 16, 2025 by Pedro Santos
    • I Assigned Values To Product Features & Benefits, Rated Products, and Found K240 My Clear Winner:
Style: Over Ear Headphones
The AKG K240 headphones are one of six or more headphones I've recently tried and tested. (I am not an engineer or an audio geek or fanatic. I worked professionally developing audio, PC and other electronic equipment for over 25 years, designed many such devices, and have used headphones fairly extensively for over 30 years. With extended work and experience come certain standards for performance and a decent level of common sense judgement on quality. I hope my unique viewpoint may help or benefit you.) The K240's have been in popular use by professional audio technicians for decades with minimal changes and strong reputations for consistency, accuracy, quality and reliability. All of these factors are hard to earn and difficult to maintain without considerable continued care and real effort. That gives AKG a few bonus points from the start in my mind. Upon receipt, the K240's were more professionally packaged than any of its competitors I tried. Packaging doesn't prove quality, but its a good sign of care, effort and pride in a company's product... a couple more bonus points scored. Although made in China (like virtually all semi-affordable consumer headphones today) the fit and finish of all product parts seemed to be very good, solid and above par of its competitors. They give a definite impression that the K240's will last a long time with reasonable care and minimal maintenance. Solid build quality adds 10% toward total points. The K240 has a detachable cord with an industry standard connector at the earcup end. AKG offers several length and types of cables and source connections, since their products are popular with many different types of professional sound technicians. Other sources also offer compatible cord accessories. This makes the K240 more likely to survive cord or plug catastrophes. For likely extra longevity add 10% to total point score. When I took the headphones out fo the box, unwrapped the cord, and put the professional wire frame headset on; it immediately felt solid, perfectly placed (without any conscious effort by me to position or adjust it in any way), and was remarkably comfortable. I was surprised to find the earpads so precisely, solidly fitted to my head with notably less pressure anywhere on my head or ears than 8 or more other headphone brands I've owned or tried. Contingent upon a test to assure these factors lasted through an extended, continuous period of use, this is a major factor. (The extended test was a pleasure and took no points away from the initial impression, perhaps added a few points to the score.) Added 25% toward total points. When plugged into my laptop, which has a very minimal sound system in both power and technical qualities, the k240's produced good volume and a surprisingly flat*, even and wide frequency response. I heard sounds in medium and high quality recordings that I could not detect in any of the other headphones I had owned or tested. I could distinguish different instruments or elements of sound in recordings that I didn't recognize before. High, middle and low frequency sounds all seemed noticeably crisper and cleaner than I recall with other headphones or speaker systems. (Same for music from my smartphone.) Some reviewers warn that you hear so much sound detail that some recordings made from low quality sources or with low sound resolution settings may become unusable, but I've listened at length to recordings made at settings from 56kbps/32kHz (low-end ringtones) to 320kbps/48kHz (better than CD's) and found all but recording already known defective to be perfectly usable. In fact, the extra clarity allowed me to run some marginal recordings through some cleaning software and upgrade them to virtually perfect quality, thus saving some favorite scarce titles. (*=NOTE: People who are used to, or who prefer, headphones and speakers that boost bass sounds heavily for hard-rock or other bass-beat-centered music may find this different, or even unsuitable to their taste in music. Those with a wide music collection and/or widely varied taste should find the even response a definite advantage.) The sound envelope I sensed around me was lightyears better than closed-chamber (aka ''Sound Isolation'') headphones, which make sound and vibrations seem to be coming from somewhere in the inside rear of your skull, and seemed much bigger and broader than any of the open-back (non external-sound dampening) models. Rather than a sensation of having small sound chambers on each side of the head, the impression was more like being in a small club or small theater where sounds could develop more fully. I thoroughly appreciate this luxurious, broader sound stage sensation. Overall for what I regard as great sound quality and a superior sound presentation, add 40% to point score total! All summed up, the AKG K240 Headphones earn about 90% of total possible score. No competitor I've owned or tried comes even remotely close to that level. So, at least as far as I'm concerned, the K240 is the clear winner within my budget range. I've bought it, and find more to reinforce my choice daily as I use this product. I urge everyone to set your own analysis values for product comparisons. Using defined values for different significant factors that are important to you, use reliable reviews and your own test of product(s) of most interest to you. Draw your own conclusions about the products, assign the values to each product, and a definite winner should pop up from the crowd, as it did for me. That makes your final choice quicker, easier and surer. Good luck! ... show more
Reviewed in the United States on September 1, 2014 by eNGeeNC

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