The Sony MDR-XD200 is a low-end set of "movie quality sound" headphones with a Circum-Aural design (completely covers the ears) and a tailored headband to provide excellent listening comfort. According to Sony the XD200 headphones "produce deep, accurate bass for a great listening experience". The MDR-XD200 headphone set features a 40mm diameter drive unit, with a 1500mW (1.5W) high power handling, meaning it withstands constant day-in, day-out use at high output levels. The MDR-XD200 headset also includes additional features such as a 360kJ/m3 high power neodymium magnet, gold plated stereo plugs to maximize sound efficiency, comfortable ear pad fittings designed with urethane leather, a sound mode switch that can be used to match the source, 3.3 ft oxygen free copper cord designed for maximum conductivity, and an adjustable headband for custom fit. The Sony MDR-XD200 headphone set was released in June, 2005 and has an MSRP of $29.99, which is listed on the official Sony website.