The HD531 is a high sound quality headphone developed specifically for professional DJs, designed to clearly emphasize the beat of the music as well as capturing its more subtle nuances. With its 51 mm (2”) extra-large diaphragms and high-energy Neodymium magnets, the HD531 presents an excellent, balanced sound profile while giving an extra punch to the low end frequencies. Even the most critical professional DJ will find the HD531 ideal for delivering the exact sound performance they need to do their job.  The HD531 features an exceptionally rich low-mid response, ideal for delivering a powerful musical beat.  The swivel mechanism of the ear cups can turn 180 degrees for more convenient single-ear, on-shoulder, and various other monitoring styles. Comfortable caliper pressure and an ingenious auto-adjustable headband construction will ensure a perfect fit over the shape of the head, maintaining comfort even in long sessions. The HD531 comes equipped with a detachable 3m (9.8ft.) coiled cable for use with your personal sound source or for professional monitoring applications.