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Audio Technica ATH-M40x Professional Monitor Headphones


(40 reviews)

$99.00 MSRP: $139.00 Save : $40.00 (29%)
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MSRP: $139.00 $99.00 Save : $40.00 (29%)
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Critically acclaimed M-Series professional monitor headphones deliver accurate audio and outstanding comfort, perfect for long sessions in the studio and on the go.

The Audio Technica M-Series ATH-M40x professional monitor headphones are tuned flat for incredibly accurate audio monitoring across an extended frequency range. Your studio experience is enhanced with superior sound isolation and swiveling earcups for convenient one-ear monitoring. Engineered with pro-grade materials and robust construction, the M40x excels in professional studio tracking and mixing, as well as DJ monitoring.

Other features include contoured earcups seal tight for excellent sound isolation, with minimal bleed. And the pro-grade materials are durable, yet comfortable. Find out why online reviewers, top audio engineers, and cult followers agree, M-Series is an unmatched combination of audio and build-quality that gets the job done. Hour after hour, year after year.

  • Cutting-edge engineering and robust construction
  • 40 mm drivers with rare earth magnets and copper-clad aluminum wire voice coils
  • Tuned flat for incredibly accurate sound monitoring across the entire frequency range
  • Circumaural design contours around the ears for excellent sound isolation in loud environments
  • 90° swiveling earcups for easy, one-ear monitoring
  • Professional-grade earpad and headband material delivers more durability and comfort
  • Collapsible for space-saving portability
  • Detachable cable (includes 1.2 m - 3.0 m coiled cable and 3.0 m straight cable)
  • For professional studio tracking and mixing, as well as DJ monitoring

  • Type Closed-back dynamic
  • Driver Diameter 40 mm
  • Magnet Neodymium
  • Voice Coil CCAW (Copper-clad aluminum wire)
  • Frequency Response: 15 - 24,000 Hz
  • Maximum Input Power 1,600 mW at 1 kHz
  • Sensitivity 98 dB
  • Impedance 35 ohms
  • Weight 240 g (8.5 oz), without cable and connector
  • Cable: Includes two interchangeable cables: detachable 1.2 m - 3.0 m (3.9' - 9.8') coiled cable and detachable 3.0 m (9.8') straight cable
  • Accessories: Protective carrying pouch, 6.3 mm (1/4") screw-on adapter

Order your Audio Technica ATH-M40x Headphones from Sam Ash Direct today with the security of our 45/60 day return/price protection policy and be sure to take advantage of our fast, free shipping.

Things You Will Get:

    ATH-M40x Headphones
    1.2 m - 3.0 m (3.9' - 9.8') Coiled cable
    3.0 m (9.8') Straight cable
    6.3 mm (1/4") Screw-on adapter
    Protective carrying pouch

Best headphones I've ever had for the price.


I've had these headphones for about a year and a half. I use them daily for several hours at a time, but I tend to leave them at the office and don't travel with them often so the potential of them breaking is probably lessened than most users. Regardless though, they're incredibly comfortable and have really great clarity. I'd strongly recommend them to anybody looking for decent headphones who doesn't want to break the bank.


Decorah, IA

avoid it


Sound fidelity is good to great, but the headphone body is just poor in every aspect, a complicated folding mechanism flawed and poorly thought, very low reliability and durability in plastic parts and false leather, after a few months of use it just looks like a filthy rag covering your ears, shameful and in poor taste.


Caracas, VE

Great Sound, But Need A Pad Swap


These are a fantastic pair of headphones. Pretty clear sound. I use them a lot for vocal tracking and mix referencing. Not completely neutral in sound, but nothing is harsh or too much. The only thing I would recommend is an ear pad swap. The stock pads are horrible and don't feel good at all. Basically uncomfortable in stock form. I went with ZMF Cowhide pads and they feel amazing. Comfort is fixed with new pads.



Unusable with one hand.


They have no competition in their price range if sound is what you are looking for, but for me it is very annoying I cannot use them with 1 hand, something always clicks and closes. I think if they had only the 90° swiveling without collapsible ear-pads they had a stronger build, maybe had been cheaper and could have been used with one hand. I consider the collapsing feature rather a design flaw than a benefit considering I travel like 1000 times less then I put them on and off my head.



Sounded good until . . .


I would give these a 5 star rating if they didn't break from a flawed design and became useless. They do have great sound for their inexpensive price. But . . . where the ear pieces swivel, the plastic has way too much stress on it (poor engineering) and will crack and break off in time, rendering them useless. With mine, one side broke off completely and the other side is cracked in the same identical spot. If I could still use them, it too would break off soon. How long were they cracked before one of them broke off, I don't know, as I never suspected them to do so and wasn't checking for cracks in the plastic. If I had seen the cracks before the one side broke off, there isn't anything I could have done to prevent it anyway. I never dropped them, nor abused them, and always hung them on a hook to protect them, as I really loved them until they broke. Audio Technica's Customer service was very quick to respond to my request to buy the broken parts, but wanted me to ship them to them for repair. With MY cost for 'return' shipping, plus their repair cost, I might as well go for a new pair and keep the broken one for spare parts. That said, I would not buy these again however, as I would not want to go through the disappointment again of the plastic breaking into two pieces. If I didn't use them much, they might have lasted forever, but as I use them on a daily basis in the studio, it was just a matter of time before the plastic cracks, breaks off, and they no longer can be used. A perfect example of "a chain being only as strong as its weakest link". Audio Technica will kindly offer to repair them, though spending the time to fix the poor engineering might be time better spent. As I really liked them before they broke, I had recommended them to several of my sound engineering buddies as a good inexpensive investment. Hopefully they didn't buy them, as I don't want to be responsible when their's eventually snap into two pieces like mine sadly did.

Sleezy Boy

San Jose, Costa Rica

ATH-M40x Professional Monitor Headphones

4.2 40


Fit Over Ear
Type Closed
Usage Studio
Series M
Model ATH-M40x
Weight 8.5 ozs (without cable and connector)
More Info
Information not available

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