Professional closed, on-ear studio headset that provides extraordinary noise insulation, perfect for use in loud environments, and combines the K171 MKII studio headphones with a rugged dynamic microphone with hypercardioid polar pattern. The flexible microphone arm mutes the microphone automatically as it is moved up. The microphone can be mounted to the left or right side, depending on personal preference and available space. The headset features a switch in the headband that mutes the audio just as soon as the headphones are taken off. The professional six-pin mini XLR connector allows quick replacement of the cable, while the switchable bass-cut filter minimizes rumble and wind noise. The headset is equipped with leatherette-velvet ear pads, self-adjusting headband for extended wear without discomfort and a detachable cable. Max. input power: 200 mW. Audio frequency bandwidth: 18 Hz-26 kHz. Sensitivity headphones: 107 dB SPL/V. Rated impedance: 55 Ohms. Dimensions: 85 x 205 x 200 mm.