B-Stock, Sennheiser HME 26-II-100 Professional Broadcast Headset - dynamic, closed back and on-ear headphone, impedance 100 ohms, sensitivity 115 dB SPL/1 kHz, 1V, frequency range 20 - 18000 Hz, microphone: typ BKE 4-2, pre-polarized condenser, omnidirectional, frequency range 40 - 20000 Hz, output voltage 4mV/Pa +/- 2,5 dB,maximum sound pressure level (passiv) 150 dB bei 1 KHz, 0,5 % THD, weight (without cable) 205g, attention! cable is not included, please order optionally! #405053, B-Stock with full warranty, may have traces of use.