Koss KDX300 Stereo Earphone

KDX300 Gold/Black KDX Sterephones. A compact design with robust sound, lightweight with an in-the-ear design that delivers accurate acoustical reproduction, deep bass and unbelievable isolation typically found in closed-style stereophones, featuring a dynamic element that is positioned just outside the ear for extended frequency response. Includes small, medium and large silicone ear cushions for a customized fit to enhance isolation when you want to eliminate ambient sounds that interfere with the listening experience. Built to last, the KDX/300 is covered under the Koss? No-Questions-Asked Lifetime Warranty - the only warranty of its kind in the stereophone industry.