Sony MDR7506 Professional Large Diaphragm Headphone Bundle with Knox Gear Hard Shell Headphone CaseThe Sony MDR 7506 Professional Stereo Headphones are perfect for sound monitoring in recording studios, radio, film production, video, and electronic newsgathering. The included stereo adapter plug lets you use the headphones with both 1 4 inch and 1 8 inch enabled devices. Construction The Sony MDR 7506 features a closed ear design that offers great isolation. The padded ear cups and a generously padded headband makes the MDR 75006 headphones