Denon DJ DN-HP1000 | 180-Degree Swiveling Circumaural Over-Ear Dynamic DJ Head Phones (50mm / 3500mW) Dynamic, Closed Back Design - When monitoring high levels of sound, the DJ can count on the DN-HP1000 to deliver an outstanding 3,500 mWatts of thumping power to each insulated and hermetically sealed ear cup. Large 53mm Drivers - The DN-HP1000 features one of the largest speaker drivers in its class to preserve superb audio fidelity even at high volumes with heavy bass. Folding Design - The flexible joints allow you to fold the headphones to half their size for spacesaving travel and protection. Reinforced Swivel Joints - Failure in most other DJ headphones is due to their weak 90-degree swivel joints. The DN-HP1000 features unique 180-degree reinforced swivel joints for maximum comfort, flexibility and of course, to prevent from common breakage. Dual Size H/P Connector - The HP1000 comes equipped with a nickel platted 1/4 adaptor (6.35mm) and is secured in place with its screw-on design. Once the adaptor is removed, the size becomes 1/8 (3.5mm) for use with portable media players.