These Audio Technica ATH AD700X Audiophile Headphones produce no sense of pressure on the ears, offering a completely natural listening experience. Newly designed 53mm drivers with bobbin-wound CCAW voice coils deliver spacious sound with superior highs and mids. The flexible ear pads on the open air headphones offer excellent comfort and durability. It features a self-adjusting wing support that automatically adjusts to your head size for easy wearing. The Audio Technica ATH AD700X Audiophile Headphones have Bobbin wound CCAW voice coils that deliver superior power handling.