The ATH-Mx Series headphones are a reliable source for monitoring in home and professional studio environments. Because of the increased demand due to the popularity of the ATH-M50, Audio-Technica refreshed their entire line of closed-back studio headphones for a redesigned feel. The high-performance ATH-M40x professional headphones are tuned flat for incredibly accurate audio monitoring across an extended frequency range. Your studio experience is enhanced with superior sound isolation and swiveling earcups for convenient one-ear monitoring. Engineered with pro-grade materials and robust construction, the M40x excels in professional studio tracking and mixing, as well as DJ monitoring.