The ultra-light KSC24 Stereophone delivers high quality sound in a behind-the-head design that folds into an ultra-compact configuration that tucks neatly into a gym bag, backpack, or briefcase. The KSC24 features dynamic elements that deliver exceptionally rich, deep bass and a remarkably wide frequency response from 18-22,000 Hz to capture every nuance in your favorite movie or musical performance. Constructed from mylar, the elements are extremely rigid, minimizing mechanical distortion and ensuring exceedingly accurate sound reproduction. Neodymium iron boron rare earth magnet structures enable the KSC24 to deliver greater volume so you can hear every note, even when competing against the sounds of a commuter train with a low-voltage MP3 or disc player. Oxygen free copper voice coils improve signal transmission and conduction for cleaner, clearer sound. Foam earcushions provide an open, hear-through sound that lets you keep in touch with your surroundings perfect to wear while running, at work, or while traveling. At only 2 ounces, the KSC24 wears comfortably even after hours of listening. Accommodating all head shapes and sizes, the KSC24's headband won't interfere with hair, hats, or helmets, and stays in place even during rigorous activities like jogging and skateboarding. Perfect for use with portables, the KSC24 includes a straight single-entry four-foot cord. A 3.5mm (1/8") plug, L-shaped to minimize cord stress, is included.A great value, the KSC24 is ideal for active listeners seeking high quality sound that packs well, travels light, and looks good.