Sennheiser IE 100 Pro Black B-Stock black

B-Stock, Sennheiser IE 100 Pro Black - dynamic in-ear headphones; impedance: 20 Ohms; frequency response: 20 Hz - 18 kHz; sound pressure level (SPL) at 1 kHz: 115 dB (1kHz / 1 Vrms); total harmonic distortion (THD): < 0.1 % (1kHz, 94dB); attenuation: < 26 dB; transducer principle: dynamic; color: black; cable length: 130 cm; incl. 3 pairs of silicone adapters (S, M, L), 1 pair of foam adapters (M), 1x soft pouch, 1x cleaning tool, B-Stock with full warranty, may have slight traces of use ...