Advanced build quality and engineering 40 mm drivers with rare earth magnets and copper-clad aluminum wire voice coils Tuned for enhanced low-frequency performance Circumaural design contours around the ears for excellent sound isolation in loud environments Convenient single-side cable exit Designed for studio tracking and mixing
Features
The ATH-M20x professional monitor headphones are a great introduction to the critically acclaimed M-Series line
Modern design and high-quality materials combine to deliver a comfortable listening experience, with enhanced audio and effective isolation
An excellent choice for tracking and mixing
 
SPECS : 
FREQUENCY RESPONSE - 15 - 20,000 Hz
SENSITIVITY - 96 dB
IMPEDANCE - 47 ohms
CABLE - Cable 3.0 m (9.8'), straight, left-side exit
MAGNET - Neodymium
DRIVER DIAMETER - 40 mm
VOICE COIL - Coil Copper-clad aluminum wire
MAXIMUM INPUT POWER - 700 mW at 1 kHz
PRODUCT TYPE - Closed-back dynamic