- Brand: Audio-Technica
- Model: ATH-M40X
- Product Type: Headphones
- Type: Closed-Back Dynamic Monitor Headphones
- Driver: 40 mm Dynamic Driver
- Magnet: Neodymium + CCAW Voice Coil
- Frequency Range: 15 Hz – 24 kHz
- Impedance: 35 Ω
- Sensitivity: 98 dB/mW
- Max. Power Handling: 1600 mW
- Cable: Detachable
- Connector: 3.5 mm
- Adapter: 6.3 mm Screw-on Adapter
- Weight: 240–241 g (without cable)
- Design: Over-Ear, Foldable, 90° Swivel Earcups
- Color: Black

| Cable type | 3.5მმ jack |
| Bluetooth | No |
| Microphone | No |
| Color | Black |