Closed-type stereo headset with 40mm drivers and self-adjusting headset for comfortable fit. 16Hz-20kHz frequency response, Sensitivity: 112dB, 32Ω resistor. Built-in 3m cable with 1/8 jack, included screw on 1/4 adapter jack, leatherette sponges. Suitable for studios, live sound & broadcast engineers. Weight 200 gr. Black color.