Sennheiser IE80s

Sennheiser Overview
The IE 80 S ear-canal headphones take the striking combination of aesthetic design and professional functionality to a new level. Refined in just about every way, the IE 80 S offers brilliant authentic sound with outstanding sonic accuracy and clarity. Clad in a premium design, it shares the new visual aesthetic of our high-end audiophile range. Its enhanced acoustic performance and customization features include memory foam ear tips from Comply™ as well as the option to use different cables. Experience the evolution.
 â–º Evolution you can hear, feel, and see
 â–º Supreme quality in a nutshell
 â–º Pure sound, ever closer to your ear
 â–º High-end mobility
 â–º Designed to attract and serve
 â–º 2-year warranty
Impedance   16 Ω 
Frequency response   10 - 20,000 Hz 
Sound pressure level (SPL)   116 dB (1 kHz / 1 VRMS) 
THD, total harmonic distortion   < 0.1 % (1 kHz / 100 dB SPL) 
Ear coupling   Ear-canal 
Jack plug   3.5mm, straight 
Cable length   1.2m 
Attenuation   - 26 dB 
Headphone connector   Sennheiser proprietary 2-pin connector