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IE 900
IE 900
IE 900

IE 900

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Article number: 508949

The new IE 900 from Sennheiser sets a new benchmark in portable audio fidelity through technical innovation, meticulous attention to detail, and an uncompromising demand for perfection.

The IE 900’s acoustic design ensures brilliant, natural high-end sound reproduction. It features a refined version of Sennheiser’s 7mm audiophile Extra Wide Band (XWB) transducer system, engineered to tighter tolerances and expertly tuned for even greater fidelity, and a unique triple-chamber absorber (T3CA) system. These advances produce high dynamics in a precise and controlled manner, so music stays distortion free and extremely transparent at any listening volume.

The IE 900 is manufactured by a specialist team at Sennheiser’s headquarters in Germany to the highest production standards in the audio industry, ensuring exceptional lasting quality.


  • High-fidelity earphones with German-made 7mm XWB transducer -for natural, balanced sound and high noise-isolation
  • Unique triple-chamber absorber (T3CA) system to remove masking resonances for a refined and extended treble
  • Newly developed membrane foil for minimized natural resonances and distortion
  • Choice of 3.5mm unbalanced and 2.5/4.4mm balanced connectivity cables with gold plated MMCX-connectors
  • Selection of silicone and memory foam ear adaptors in 3 sizes (S/M/L) and adjustable ear hooks to ensure an optimal fit
  • Impedance: 16 ohms
  • Frequency response: 5 Hz – 48,000 Hz
  • THD : 0,05% (94 dB, 1kHz)
  • Premium carry case with metal serial no. plate
  • Presentation box with signed customer certificate
  • Designed, engineered and made in Germany

Customer Reviews

Based on 32 reviews
Steve Hodgson

These are lovely jewel-like earphones and very comfortable to wear. They reward a good music source and the whole experience of listening to muic in this way is truly immersive.

Clive Grosvenor
IE 900 + TIDAL

IE 900 Great
Don't know about TIDAL, I've got to wait a month

Shane Huffer
Sennheiser IE 900

I was looking for a really good hi res in ear phones when I coma across these very expensive but as my dear father used to say you get what you pay for so right these are amazing the sound is class leading best phones I've ever bought. Delivery was fast no hassle service I love them I bought them to go with my new astell and kern se200 wow what a great pairing I highly recommend the IE 900

Markus Häfner

Extraordinary in-ear headphone - even a touch better sounding than my beloved over-ear HD800S.



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