Audio-Technica ATH-M40X


Studio and DJ Headphones

  • Closed
  • Circumaural
  • Dynamic
  • 40 mm driver with neodymium magnet system and CCAW voice coils
  • 90 Degree swivel ear cups
  • Frequency range: 15 - 24000 Hz
  • Maximum input power: 1600 mW at 1 kHz
  • Impedance: 35 Ohm
  • Sound pressure level: 97 dB
  • Detachable cable
  • 1.2 - 3 m spiral cable
  • 3 m straight cable
  • Weight with cable: 300 g
  • Weight without cable: 241 g
  • Colour: Black
  • 6.3 mm adapter and bag included
Available since February 2014
Item number 331904
Sales Unit 1 piece(s)
Design Over-Ear
System Closed Back
Impedance 35 Ohms
Frequency range 15 Hz – 24000 Hz
Adapter Yes
Weight 241 g
Replacable Cable Yes
Colour Black
Sensitivity 97 dB
Max. SPL 97 dB
Type Of Connector Mini Jack
Adaptor 1
Replaceable Cable 1
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Style meets versatility

Audio-Technica's ATH-M series is a line of closed-back, studio-quality monitoring headphones and includes models to suit any budget. What all of these headphones have in common is a sturdy construction, a high-resolution sound with a slight emphasis on the bass and treble frequencies, and a circumaural design to ensure a high level of comfort even during longer sessions. The ATH-M models also have relatively low impedance values, which means they can provide a reasonable level of volume even when used with mobile devices that perhaps lack the output power of a headphone amplifier or audio interface. These headphones are additionally suitable for DJs and for use in noisy environments thanks to their good sound isolation.

Audio-Technica ATH-M40X Studio and DJ Headphones

Solid and reliable

The ATH-M40X model from Audio-Technica's ATH-M series features 40mm drivers and CCAW coils driven by neodymium magnets, delivering an impressive sound that can easily compete with much more expensive headphones. Unlike its "little" siblings, the ATH-M20X and M30X, the M40X model features a detachable cable, so the user can easily replace the cable if a bad contact occurs or a different cable length is required, and the scope of delivery includes a second 1.2m coiled cable as well as a threaded 6.3mm jack plug adapter. The ATH-M40X headphones are steplessly adjustable, and the earcups are also generously padded and can be swivelled by 90°, allowing them to be set to any desired position.

Audio-Technica ATH-M40X Studio and DJ Headphones

Extensive features without breaking the bank

The ATH-M40X's closed-back design and effective sound isolation make it the perfect companion for noisy recording sessions where - for example - the drum tracks are being recorded in the same room. At the same time, crosstalk is reduced during vocal recordings when the singer has the backing tracks turned up loud on their headphones. Thanks to their linear frequency response, these headphones also cut a fine figure in production and mixing applications. Excellent sound isolation and a good volume level are important for queuing tracks in noisy clubs, so DJs will doubtless also appreciate the ATH-M40X's circumaural design. Those looking for headphones to primarily enjoy listening to music will be pleased with the model's tight bass response and clear treble frequencies, both of which are impressive at this price point.

Audio-Technica ATH-M40X Studio and DJ Headphones

About Audio-Technica

The Japanese company Audio-Technica was founded in 1962 and at first manufactured affordable phono cartridges. The company has since become acclaimed for a whole range of quality audio products. Audio-Technica released their first headphones in 1974. The company later gained huge popularity among musicians with the release of the AT4060 tube microphone. Audio-Technica focuses on high-quality components at affordable prices. Today, their product rang offers a wide variety of microphones, headphones, and turntables as well as many other accessories.

A great all-rounder for every budget

From musicians to producers to DJs - everyone should be able to find the right headphones in Audio-Technica's ATH-M series, since the models differ in features but not in sound quality. Users looking for a solid and reliable pair of headphones that will be at home in any situation need therefore look no further: Audio-Technica has a solution for every price point, and users can always be sure that they are getting an excellent price-performance ratio.

823 Customer ratings

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513 Reviews

Excelent headphones for studio monitoring
Pedro Moreira 05.01.2018
I?ve ordered 3 of these to be used in my recording studio as monitoring headphones for musicians.
Inicialy i was considering the ATH-M50 (the non X version) wich i already own a pair an absolutely love the sound but i?ve decided to give the M40's a try after reading some positive reviews, keeping in mind that i could always send them back and get the M50's instead.

After sometime comparing the two and other headphones i have, (various models from AKG) I decided to keep them because i found them to be perfect for the task, this is why:

Great detailed reproduction over all frequency content with smooth clear higs and full deep lows without being overwhelming. A bass player will be very happy as all the others.
Very confortable to be used over a long periode of time, physicaly or soundwise. (wich isnt so true for the older M50's)
Good isolation , ( perhaps just not enough for loud drummers).

They also came with two cables one short coiled cable and a straight longer cable. Thats a nice touch and very handy.

Build quality is very good.

What i dont like:

they are foldable!
Although this may be a good thing for most casual users looking for portability, it's a feature you really dont miss in a pro studio and this particular folding system makes them more fragile and prone break.
(this happened to my M50's)
Also the regidity of the materials employed dont help in that regard.

i'm really enjoying this headphones,
full, detailed and emersive sound that inspires you to deliver a great performance.

I'm going with 5 stars considering the price and performance!
Excelent product!



Good, while they last.
Matti H 30.07.2020
I had a pair of these headphones for a handful of years, and while I enjoyed their sound signature very much, as well as, surprisingly, the comfort of wearing them, even with the stock ear pads, the problem with these headphones remains: They break. Above each "cup" there is a little construction they hook onto so they can swivel in all kinds of directions. It's a plastic part that can be extended from the headband itself to suit your head size. It's essentially two plastic pieces joined together around the mechanisms inside. This is the weak point of the headphone. One of mine broke after a few years. I proceeded to glue it back together with epoxy, a process I repeated numerous times until eventually, the headphone cup itself came out of the construction where it's supposed to swivel and whatnot. Obviously I couldn't really glue that back together as it would make the flexibility of the cup position and rotation inoperable, and so I, to my dismay, had to scrap the whole thing. They lasted a good while, and I did use them a lot, but for the price, I'm disappointed they weren't more durable. I've had a pair of Superlux HD 668-B headphones for almost a decade that I've trounced through rain and snow with, and they're still going strong. They also cost a third of what these cost.


FoncyJR 24.03.2022
These are my first pair of studio headphones. The sound is very flat, responsive and detailed. The two included cables offer great versatility for working at a desk or recording while plugged in a little further away. The headphone jack adapter included is very good, screws on tightly (haven't lost it yet...) and has a good connection. The carry pouch is good quality and has lasted in perfect condition.

They are comfortable to wear, although after a few hours they can get a bit tight feeling and begin to dig in slightly. This is true for many headphones though so it's not a huge deal.

I think these offer a really good option for the mid-level price bracket, there are cheaper ones out there that may rival but I really cannot fault these headphones in terms of build quality, sound and durability for what is a fairly affordable headphone.


Home Recording and Mixing
fhole 06.02.2018
I'm using these for home recording, tracking and mixing.
I don't have proper monitor speakers and usually, it seems, headphones and speakers try to make things sound good. So I was looking for something I could use to give me a clear idea of the actual, non coloured, sounds that I was recording and mixing.
I did some research and heard really good things about the M50's, and was considering them. Then I heard a review of these that said that they might be even better, even though they were cheaper. Better and cheaper sounds good to me : )
They are relatively comfortable, don't really notice you have them on, until you take them off : ) I use the twisty cable, just enough length to go back and forth between the computer and mic without getting tangled or tripped over.
I use them for tracking, guitar , bass and vocals, so they had to be closed. They don't prevent 100% of sound escaping, you can usually hear a hint of the track, but it's never been anywhere near a problem for me, since the recorded part will be used with the track it was recorded along with.
I also use them for mixing, and despite being closed, with open being apparently more desirable for mixing, I have found them to be excellent in delivering a flat response and realistic representation of recordings. All the frequencies sound about right, especially the bass does not seem to be boosted, which is great. It's really annoying having mixed a track to find that the bass is weak when played on another system.
I can't directly compare them to other headphones in terms of use but they work well for me and seem to be a pretty good deal overall.


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