Tuned flat for a wide frequency response, the Audio Technica ATH-M40x Professional Monitor headphones deliver accurate audio and are well suited to studio tracking, mixing, as well as DJ monitoring. Padded circumaural ear cups with a 90° swivelling design provide superior sound isolation and outstanding comfort.

Flat Frequency Response

Incorporating 40 mm drivers with Neodymium magnets and copper-clad aluminium wire voice coils, the M40x headphones are tuned flat to deliver incredibly accurate sound monitoring across the entire frequency range. You can distinctly hear bright sounding vocals and instrumentals in a single track allowing you to make accurate decisions when recording or mixing.

CircumauralEar Cups with 90° Swivel

An over-ear cup design contours your ears and places them inside an air-tight enclosure, providing excellent ambient sound isolation for a noise-free audio experience. The large oval-shaped ear cups completely wrap around the ears and are amply padded for day long comfort. The ear-pieces swivel up to 90° for convenient one-ear monitoring, and straightforward adjustment to ensurea more comfortable fit.

Flexible and Comfortable Headband

An adjustable headband allows modifying the size of the headphone for close-fit comfort. In addition the headband also features cushioning for added comfort.

Space Saving Portability

A collapsible design enables the headphones to fold into a compact package that can comfortably fit in a bag allowing easy storage and portability.

Interchangeable Cable

The ATH-M40x features a detachable cable system, and includes a set of two cables - coiled and straight. The cable has a single-side exit to help reduce tangles while working. A 6.3 mm snap-on adapter is included in the package, allowing you to connect to a wide range of audio equipment.

Comfortable and Durable

The lightweight design provides outstanding comfort, perfect for long recording sessions. The ear cups as well as the headband are made with high quality pro grade materials making the Audio Technica ATH-M40x Headphones highly durable and reliable.


Closed-back dynamic

Driver Diameter

40 mm



Voice Coil

CCAW (Copper-clad aluminium wire)

Frequency Response

15 - 24,000 Hz

Maximum Input Power

1,600 mW at 1 kHz


98 dB


35 ohms


240 g, without cable and connector


Includes two interchangeable cables: detachable 1.2 m - 3.0 m coiled cable and detachable 3.0 m straight cable

* Specifications subject to change by the manufacturer without notice

  • Audio Technica ATH-M40x Professional Monitor Headphones
  • 1.2 to 3 m Coiled Cable
  • 3 m Straight Cable
  • 1/8” to 1/4" Adapter
  • Protective Carrying Pouch
  • Reviews

    * Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.