Hear your Music the way it was intended to be heard with the high-end MDR-D777LP Altus headphones. High Definition Drivers offer incredible highs, deep Bass and superior clarity. Experience pristine Audio with these lightweight Stereo headphones. The aura-nomic design provides unparalleled comfort so you?re able to listen to your music like never before. Equipped with 80KHz high definition driver units, you will enjoy remarkable highs, deep bass and exceptional clarity. The Altus headphones feature a solid construction, brushed aluminum design, collapsible earpieces and carrying pouch, which add durability, style and portability to the solution.