Description of the product
Cutting-edge engineering and
robust construction
40 mm drivers with rare earth
magnets and copper-clad
aluminum wire voice coils
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

http://www.amazon.in/Technica-ATH-M40X-P…00HVLUR54/