Audio-technica ATH M20 Stereo Monitor Headphones

ATH-M20 Features Closed-back dynamic stereo headphones deliver exceptional clarity Rich bass response with extended high end 40 mm drivers with neodymium magnets and copper-clad aluminum wire voice coils Circumaural design ensures superior isolation Adjustable cushioned headband and lightweight design for maximum comfort 1/8" (3.5 mm) stereo connector and snap-on 1/4" (6.3 mm) adapter Ultra-flexible 10' coiled cable with left-side entry ATH-M20 Specifications Type: Closed-back dynamic Driver: Diameter 40 mm Magnet: Neodymium Voice Coil: Copper-clad aluminum wire Frequency Response: 30 - 20,000 Hz Maximum Input Power: 1,200 mW at 1 kHz Sensitivity: 98 dB Impedance: 40 ohms Weight: 7.1 oz (230 g) without cable Cable: 10-foot (3.0 m), coiled, left-side exit Connector: 1/8-inch (3.5 mm) stereo mini-plug, snap-on 1/4" (6.3 mm) adapter