The ideal entry into the world of powerful stereo sound: The HD 201 has good attenuation of ambient noise with outstanding wearing comfort at an affordable price.PRODUCT FEATURES:Powerful stereo sound;Rich, crips bass response;Light weight and comfortable to wear;Good attenuation of ambient noise;Extremely rugged;High-quality leatherette ear pads;1D4" ((6.3 mm) jack adaptor, gold-plated.