The black ATH-M30x Monitor Headphones from Audio Technica are designed for use in studio tracking, mixing, or field recording applications and feature 40mm neodymium drivers with copper-clad aluminum voice coils tuned for detailed midrange definition. The headphones have a circumaural, around-the-ear design that provides sound isolation in loud environments. The ATH-M30x headphones have a collapsible design that also allows for single-ear monitoring. A 1/4" screw-on adapter and carrying pouch are included.