Dynamic reference headphones with closed design for high quality sound insulation but which offer an open sound, and are ideal for private listening. They are fitted with special 50 mm drivers, which together with closed design of the headphones and passive noise reduction ensures accurate sound. Easy transfer and handling is provided by folding system 2D-AXIS and connector adapter 3.5 to 6.3 mm. Headphones offer a frequency range of 12 Hz-28 kHz, sensitivity of 114 db SPL/V and impedance of 32 Ohm. Included is a 3 m cable. Weight: 305 g, matt black colour design.