Sennheiser earphones CX 80S Features: Uncompressed and balanced Sennheiser sound for a unique listening experience Call & music management via smart remote 3 ear tip sizes for excellent fit and perfect ambient noise isolation Specifications: mpedance: 28 Ω Transducer principle: dynamic, closed Weight: 10 g Frequency response (Microphone): 100 - 10,000 Hz Sound pressure level (SPL): 119 dB SPL @ 1 kHz, 1V RMS Pick-up pattern: Omni-directional microphone Ear coupling: Ear-canal Jack plug: 3.5 mm, angled Cable length: 1.2 m, symmetric length Ear pad material: Silicone Frequency response: 17–20,000 Hz (-10 dB) Microphone sensitivity: -42 dBv (1 kHz) THD, total harmonic distortion: <0,5 % (1 kHz, 100 dB SPL)