Earcups and earpads can be removed from the headband. Specially designed damping perforation ensures powerful bass response and lightweight diaphragm material with "turbine " embossing for extremely low bass. 2-year guarantee These rugged lightweight Sennheiser headphones have a secure fit and can be used for both mobile sources and home (mini) hi-fi systems. When out and about, a convenient retractable cord lets you adjust the headphone cable to the required length The HD 202 closed, dynamic hi-fi stereo headphones are the ideal partner for DJs and powerful modern music, providing good insulation against ambient noise and a vivid, crisp bass response.