The Audio-Technica ATH-M50S is a set of over the head studio monitor headphones. These Audio-Technica headphones are designed for professional mixing and monitoring when working with music. Weighing 10.1 oz, the product features padding for comfort and an efficient collapsible design for space-saving portability and storage. In addition, the earpieces swivel 180 degrees for easy one-ear monitoring and the luxuriously padded ear cushions create an incredible seal for maximum isolation. The Audio-Technica headphones have a sophisticated driver technology and superior components that deliver great power handling and very high SPL capabilities. Throughout their extended range, the studio monitor headphones maintain clarity of sound with deep, accurate bass and outstanding high-frequency extension. The Audio-Technica ATH-M50S features proprietary 1.77-inch (45-mm) large-aperture drivers with a neodymium magnet system for ultra efficient signal transfer. Moreover, the single-sided coiled cable at the left earpiece terminates to a gold-plated mini-plug with included screw-on 0.25-inch adapter. Other specifications of the Audio-Technica headphones include a frequency response of 15 Hz to 28 kHz, sensitivity of 99 dB, and an impedance of 38 Ohms.