CX 281

Ear canal phones for clear and detailed sound
Article No. 502846


Shimmy on over to the sassy style of these sleek CX 281 ear canal phones that are the epitome of edgy, fashionable and sexy. You will enjoy clear and detailed sound, thanks to their high performance dynamic speaker systems.

The wide array of ear adapters (S/M/L sizes) allows for a personalised fit as well as excellent passive attenuation of ambient noise. And like the MX 581, the CX 281 come with a share adaptor - allowing you to share your listening experience with a friend (who will need another pair of headphones).


  • Ergonomic ear canal phones with high performance dynamic speaker systems for listeners with smaller ears

  • Silicon ear adaptors for a personalised comfort fit

  • Integrated volume control

  • Unique red and gold graphics on earphones - no two designs are the same!

  • Hassle-free cable slider

  • Symmetrical braided-design cable for a tangle-free listening experience

  • Share adaptor - Share your audio with a friend!

  • Storage pouch fits your earphones and iPod Nano (4th Gen) perfectly!

  • 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

What's in the box?

  • CX 281 ear-canal phones
  • Ear adapter set (S/M/L)
  • Share adaptor
  • Storage pouch

Technical Data

  • Wearing style
  • Color
  • Impedance
    16 Ω
  • Frequency response
    19 - 20000 Hz
  • Sound pressure level (SPL)
    120 dB (SPL)
  • THD, total harmonic distortion
    < 0.5 %
  • Weight
    16 g


  • Foam Ear Adapters

    A good source for foam ear adapters for the majority of Sennheiser ear bud models is a company called Comply Foam (

    CX 281 ( #502846 )


  • EU Declaration of Conformity
    • EU Declaration of Conformity (620 KB) Download

  • Misc
    • 64930_OSS3_StreetLine-GB_NEU_p1-14_OSS3_StreetLine-GB_p8.pdf (1.5 MB) Download