Premium studio 'phones with 45mm drivers, 1,600mW handling, 15-28,000Hz, three cables. Black The ATH-M50x features the same coveted sonic signature as its predecessor, the ATH-M50, with the addition of three interchangeable cables. Proprietary 45 mm large-aperture drivers with rare earth magnets and copper-clad aluminium wire voice coils ensure a pure listening experience. Isolating earcups swivel 90°. Collapsible design and included carrying pouch make for easy storage. Available in black and white (ATH-M50xWH). Critically acclaimed M-Series professional monitor headphones deliver accurate audio and outstanding comfort, perfect for long sessions in the studio and on the go. Contoured earcups seal tight for excellent sound isolation, with minimal bleed. And the pro-grade materials are durable, yet comfortable. Find out why online reviewers, top audio engineers, and cult followers agree, M-Series is an unmatched combination of audio and build-quality that gets the job done. Hour after hour, year after year.