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Audio-Technica ATHM40x Professional Monitor Headphones- Black
- Cutting-edge engineering and robust construction 40 mm drivers with rare earth magnets and copper-cl. 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 de. Professional-grade earpad and headband material delivers more durability and comfort
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Overview
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Audio Technica ATH-M40X Closed-Back Monitoring Headphones
The high-performance ATH-M40x professional 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.
Features
Custom-Made Drivers
The M40x headphones deliver outstanding performance in a high-precision package. Achieving the same sonic signature as the M50x is made possible by using the latest driver technology fabricated in Audio-Technica's tightly controlled manufacturing facility. Strict attention to the sound design means the M40x delivers class-leading monitor audio.
- Cutting-edge engineering and robust construction
- 40mm Drivers with rare earth magnets and copper-clad aluminum wire voice
- 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-Degree swiveling earcups for easy, one-ear monitoring
- Professional-grade earpad and headband material delivers more durability and comfort
- Detachable cables (2 cables included)
Technical Data
| Driver | 40mm |
| Magnet | Neodymium |
| Voice Coil | CCAW (Copper-clad aluminum wire) |
| Frequency Response | 15 – 24,000Hz |
| Maximum Input Power | 1,600mW at 1kHz |
| Sensitivity | 98dB |
| Impedance | 35 Ohms |
| Weight | 8.5oz (240g) without cable and connector |
Included Accessories
Cable
Audio-Technica ATH-M40x Closed-Back Monitor Headphones (Black) with 40mm Neodymium Dynamic Drivers, 15 Hz to 24 kHz Frequency Response, Sound-Isolating Design, Two Detachable Single-Sided Cables, Pro-Grade Build Boosting Comfort/Strength, and 90° Swiveling Earcups
Audio-Technica ATH-M40x Closed-Back Monitor Headphones is an advanced version of the M-Series from the same company. Here, Audio-Technica has given great emphasis on portability, comfort, and sound quality. If you are looking for premium quality headphones for studio tracking/mixing and DJ-ing, this should get your first preference. It is foldable and you can carry it wherever you want by minimizing the size by folding it. It has 40mm dynamic drivers and wide bandwidth (15 Hz to 24 kHz) that make it good even for daily use. The headphone is capable of delivering flat and accurate response as well as great isolation of outside sounds.
Our Take on Audio-Technica ATH-M40x Closed-Back Monitor Headphones (Black):
Audio-Technica ATH-M40x Closed-Back Monitor Headphones have 90° swiveling earcups that make them ultra-comfortable for long hours of use. Additionally, it has generous cushioning and pro-quality material on the headband and earpads for more comfort. While focusing on comfort, Audio-Technica has not compromised a bit on durability. The headphone not only looks great but also offers great value for money with its durability.
Audio-Technica ATH-M40x Closed-Back Monitor Headphones has two detachable cables of different types that are coiled and straight. Based on your use, you can change the cable. You get optimal operation both in the studio and on the go with the two types of cables. Both the cables have gold-plated 3.5 mm mini plug that makes them useful with most of the smartphones and computers available in the market. There is built-in strain relief on the 3.5 mm mini plug that helps to decrease the possibility of damage. You can pull the cable without any damage to the connection due to these additional features. With headphones, you get 1/4" screw-on adapter so that you can easily hook up to audio interfaces, mixers, and stereo receivers.
Audio-Technica ATH-M40x Closed-Back Monitor Headphones comes with a carrying pouch for convenient storage and easy transportation from one place to another. It has a Sound-Isolating Design that ensures that you experience excellent sound isolation even in the case of a loud environment. It reduces bleed and separates you from the outside sounds so that you can focus on your work. The headphone is a good piece of equipment in every aspect. There is super finishing and an excellent design that separates it from other headphones available in the market. The cable length is 3m that offers good flexibility while using it.
TOP 10 KEY FEATURES:
Earpiece Swivel:
Yes, 90°
Earpiece Design:
Over-Ear (Circumaural), Closed-Back
Driver Type:
Dynamic
Magnet Type:
Neodymium
Impedance:
30 Ohms
Sensitivity:
98 dB
Maximum Power Handling:
1600 mW
Frequency Response:
15 Hz to 24 kHz
Cable Length:
3 m
Audio Connector to Source:
3.5 mm TRS Male Straight
Included in the box:
Audio-Technica ATH-M40x Closed-Back Monitor Headphones (Black)
Coiled Cable ( 3.9 to 9.8 ')
Straight Cable ( 9.8 ')
1/4" Screw-On Adapter
Carrying Pouch
Audio-Technica ATH-M40x Closed-Back Monitor Headphones is an advanced version of the M-Series from the same company. Here, Audio-Technica has given great emphasis on portability, comfort, and sound quality. If you are looking for premium quality headphones for studio tracking/mixing and DJ-ing, this should get your first preference. It is foldable and you can carry it wherever you want by minimizing the size by folding it. It has 40mm dynamic drivers and wide bandwidth (15 Hz to 24 kHz) that make it good even for daily use. The headphone is capable of delivering flat and accurate response as well as great isolation of outside sounds.
Our Take on Audio-Technica ATH-M40x Closed-Back Monitor Headphones (Black):
Audio-Technica ATH-M40x Closed-Back Monitor Headphones have 90° swiveling earcups that make them ultra-comfortable for long hours of use. Additionally, it has generous cushioning and pro-quality material on the headband and earpads for more comfort. While focusing on comfort, Audio-Technica has not compromised a bit on durability. The headphone not only looks great but also offers great value for money with its durability.
Audio-Technica ATH-M40x Closed-Back Monitor Headphones has two detachable cables of different types that are coiled and straight. Based on your use, you can change the cable. You get optimal operation both in the studio and on the go with the two types of cables. Both the cables have gold-plated 3.5 mm mini plug that makes them useful with most of the smartphones and computers available in the market. There is built-in strain relief on the 3.5 mm mini plug that helps to decrease the possibility of damage. You can pull the cable without any damage to the connection due to these additional features. With headphones, you get 1/4" screw-on adapter so that you can easily hook up to audio interfaces, mixers, and stereo receivers.
Audio-Technica ATH-M40x Closed-Back Monitor Headphones comes with a carrying pouch for convenient storage and easy transportation from one place to another. It has a Sound-Isolating Design that ensures that you experience excellent sound isolation even in the case of a loud environment. It reduces bleed and separates you from the outside sounds so that you can focus on your work. The headphone is a good piece of equipment in every aspect. There is super finishing and an excellent design that separates it from other headphones available in the market. The cable length is 3m that offers good flexibility while using it.
TOP 10 KEY FEATURES:
Earpiece Swivel:
Yes, 90°
Earpiece Design:
Over-Ear (Circumaural), Closed-Back
Driver Type:
Dynamic
Magnet Type:
Neodymium
Impedance:
30 Ohms
Sensitivity:
98 dB
Maximum Power Handling:
1600 mW
Frequency Response:
15 Hz to 24 kHz
Cable Length:
3 m
Audio Connector to Source:
3.5 mm TRS Male Straight
Included in the box:
Audio-Technica ATH-M40x Closed-Back Monitor Headphones (Black)
Coiled Cable ( 3.9 to 9.8 ')
Straight Cable ( 9.8 ')
1/4" Screw-On Adapter
Carrying Pouch
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-330-686-2600
- Support Website
- View other products from Audio-Technica
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The Audio-Technica ATH-M40x is a wired, over-ear professional monitor headphone with 40 mm drivers and flat-tuned sound, suited to studio tracking, mixing, and listeners who want accurate monitoring.
Recommended For
- Home-studio musicians tracking vocals or instruments who want wired, closed-back headphones for monitoring without relying on speakers in a shared or untreated room.
- Budget-conscious music producers and editors who want a balanced, studio-oriented sound for checking mixes and audio details, rather than headphones tuned mainly for boosted bass or entertainment.
- DJs who need wired headphones with swiveling earcups for one-ear cue monitoring and can work with a closed-back, over-ear fit.
- Location-recording or audio-editing users who move between workspaces and value a folding design and detachable cables more than a compact, wireless setup.
Real-World Use Scenarios
- During home-studio vocal or instrument tracking, a musician listens to a backing track or click while recording; the closed-back fit can help limit headphone sound reaching the microphone, though isolation depends on fit and listening level.
- When mixing or editing a project at a desk, a producer uses the ATH-M40x to check instrument balance, vocals, and panning; its monitor-oriented sound can help with these judgments, while speakers or other headphones remain useful for cross-checking.
- While DJing, a user monitors the cue in one ear and the room or speakers with the other; the swiveling earcups make one-ear monitoring practical.
- For wired listening or practice at a desk, a user connects the headphones to a computer, audio interface, or other headphone output and hears a relatively balanced presentation; the wired design means they are not a wireless option for listening on the move.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Professional studio tracking, mixing, and DJ monitoring; sound isolation and swiveling earcups support one-ear monitoring |
| Drivers And Sound | Dynamic 40 mm drivers tuned for flat monitoring, with a 15 Hz–24 kHz frequency response, 35-ohm impedance, 98 dB/mW sensitivity, and 1,600 mW maximum input power at 1 kHz |
| Wired Connectivity And Cable | Wired 3.5 mm audio connection with detachable cables; includes a 1.2–3.0 m coiled cable and a 3.0 m straight cable |
| Fit And Monitoring Design | Over-ear circumaural fit with sound isolation and 90° swiveling earcups; aluminum enclosure and black finish |
| Portability And Weight | Foldable design; weighs 240 g without cable and connector |
| Included Accessories | Protective carrying pouch and 6.3 mm (1/4-inch) screw-on adapter |
| Model And Identification | Audio-Technica ATH-M40x; part number AUD ATHM40X |