Sennheiser EH-150 Dynamic Sound Evolution Hi-Fi Stereo Headphones (Discontinued by Manufacturer) Supra-aural hi-fi stereo headphones for casual users and professional DJs Dynamic, closed design enhances trebles and mid-range frequencies Ultra-lightweight, rugged housing enables comfortable, extended listening Powerful neodymium magnets and lightweight diaphragms create 18 Hz to 18 kHz frequency response 10-foot highly conductive OFC copper cable; 2-year warranty