The ATH-M50xBT harnesses the legendary M50x studio sound for an exhilarating wireless listening experience, with exceptional clarity and deep, accurate bass response. Utilizing Bluetooth wireless technology and 45mm large-aperture drivers with rare-earth magnets and copper-clad aluminum wire voice coils, the ATH-M50xBT brings the coveted sonic signature of M50x to a wireless, on-the-go design.