The MDR-V600 Studio Monitor Series stereo headphones are designed and engineered for high-end audio applications. Features include a circumaural closed-back ear cup design, and a large Aura-Nomic design 40mm driver unit, which is positioned within the ear cup at an angle which directly corresponds to the angle of the opening of the ear canal for a natural listening experience.A Copper-Clad Aluminum Wire (CCAW) voice coil combines the strength and conductivity of copper with the light weight of aluminum. The headphone has a convenient folding design, and reversible ear cups for single-sided monitoring. The MDR-V600 offers a cushioned headband, and a concealed single-sided oxygen-free copper coiled cord. It comes with a convenient carrying case.