B-Stock, Sennheiser IE100 Pro Red - 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: <...
