the most amazing property of these headphone be that it be almost like you be wear nothing . they be light and comfortable and the pressure of the ear pad be adjustable on both side . these be probably the most comfortable headphone I have ever worn and I have own many set of headphone from Sony , Panasonic , Seinheiser , Ultrasone ... the extra set of head pad above the ear reduce the pinch on the ear you get with most headphone . that say , the sound quality -lrb- here I be use the word ` quality ' literally , as in flavor , not how good the sound be -rrb- be punchy and bass-y , at the sacrifice of high end and midrange . I test these headphone with a Sony hi-md lossless minidisc player with a flac audio source . these headphone be what I would call `` teenager headphone . '' they have sound property that kid would look for . if you listen to a lot of music that have valuable high frequency sound property you may wish to look elsewhere . the high and midrange on these headphone be a little muddy .