Audio Technica ATH-M40x Professional Monitor Headphones

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; 90° swiveling earcups for easy, one-ear monitoring; Professional-grade earpad and headband material delivers more durability and comfort; Collapsible for space-saving portability; Detachable cable (includes 1.2 m - 3.0 m coiled cable and 3.0 m straight cable); For professional studio tracking and mixing, as well as DJ monitoring. Type Closed-back dynamic; Driver Diameter 40 mm; Magnet Neodymium; Voice Coil CCAW (Copper-clad aluminum wire); 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; Accessories Included Protective carrying pouch, 6.3 mm (1/4") screw-on adapter;