Audio Technica ATH-M20x Professional Monitor Headphones

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. Type Closed-back dynamic; Driver Diameter 40 mm; Magnet Neodymium; Voice Coil Copper-clad aluminum; wire; Frequency Response 15 - 20,000 Hz; Maximum Input Power 700 mW at 1 kHz; Sensitivity 96 dB; Impedance 47 ohms; Weight 190 g (6.7 oz), without cable and connector; Cable 3.0 m (9.8'), straight, left-side exit; Accessory Included 6.3 mm (1/4") snap-on adapter