Model No: ATH-M40x 

Type: Closed-back dynamic

Driver Diameter: 40 mm

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

Cable: Detachable Yes

Magnet: Neodymium

Voice Coil: CCAW (Copper-clad aluminum wire)

Folding/collapsible: Yes

Accessories Included: Protective carrying pouch, 6.3 mm (1/4") screw-on adapter

Warranty Period: 3 Years*

In The Box:

1U ATH-M40x Headphone

1U Detachable  9.8' (3 M) Straight Cable

1U Detachable 3.9 to 9.8' (1.2 to 3 M) Coiled Cable

1U Carry Pouch