audeze mm 100MM 100 Open Back Planar Magnetic Professional Headphone The MM 100 is created as the entry point to true professional reference from Audeze. A headphone developed for producers, engineers, and music lovers who want an honest and musical working tool without moving into flagship territory. With its open back design and planar magnetic technology, the MM 100 offers a listening experience that is both natural, cohesive, and free from artificial