Professional mono headphone with dynamic boom microphone and closed system. Excellent sound characteristics, very comfortable to wear. Flexible microphone boom, folding, continuously adjustable. Padded ear cushion and headband. 2 m cable with single-sided cable inlet and 3,5 mm plugs, supplied with two 6,3 mm adapters. Headphone driver: neodymium, 40 mm. Type of transducer: dynamic. Max. input power: 100 mW. Transmission range, headphones: 20 - 20,000 Hz. Nominal impedance, headphone: 250 Ohm. Headphone sensitivity: 117 dB/1 mW. Transmission range, mic.: 120 - 6000 Hz. Nominal impedance, microphone: 600 Ohm. Microphone system: dynamic, cardioid. Microphone sensitivity: 1.8 mV/Pa/1 kHz. Weight: 277 g. Colour: Black