The distinctive profile of the KEF M400 combines state-of-the-art acoustic technologies with precision engineering, robust lightweight design and exceptional wearing comfort. Instantly recognizable by their smooth contemporary lines and striking satin color finishes. The memory foam and breathable ear-pads together with class-leading ergonomics, ensure a comfortable fit and impressive noise isolation. The M400s can also be folded away when not in use. With a plethora of advanced acoustic features and a sleek, robust design, the M400 headphones bring high-resolution sound to today’s mobile connected consumer.