If you are looking for earphones with minimalist and understated elegance, look no further than the CX 870 ear canal phones. Their chrome plated parts add a touch of shimmer for a look that is classic with a contemporary flair. Sound-wise, you will be treated to a powerful stereo sound with a precise bass - all thanks to their high performance dynamic speaker systems and diaphragm guards. Their dual hardness silicon ear adapters ensure a personalised comfort fit as well as high passive attenuation of ambient noise.

Features

• Sophisticated ergonomic design with high performance dynamic speaker systems
• Silicon ear adapters for a personalised comfort fit
• Diaphragm guards for an enhanced audio performance
• Optimised for MP3, iPod, iPhone (iPod and iPhone are trademarks of Apple Inc. registered in the U.S. and other countries) and portable media players
• 2 year warranty
  

Delivery Includes

• CX 870 earphones
• Ear adapter set
• Diaphragm guards
• Cleaning tool

Technical Data

Frequency response	17 - 22500 Hz
Sound pressure level (SPL)	115 dB
Impedance	32 Ω
THD, total harmonic distortion	< 0.1 % (1 kHz, 100 dB SPL)
Jack plug	3.5 mm angled
Cable length	1.2 m symmetrical
Weight	13 g
Ear coupling	Intraaural (ear canal fit)
Transducer principle	Dynamic

Source :: http://www.sennheiser.com/