Experience peak German audio engineering
The precision-manufactured aluminum housing of the IE 900 faithfully protects the dynamic TrueResponse transducers at the heart of Sennheiser’s innovative X3R technology.
IE 900 Refurbished
The purest, most natural sound.
Accessories and Cables
2 years manufacturer warranty
30-Day Free Return
Limited Stock
€1,499.00€949.00Incl. VAT - Free shipping from 29 €
Certified Refurbished
Products that have been tested, checked, and thoroughly inspected to meet the same high-quality standards as our new products.
Behind the scenes of the IE 900
How every detail matters to achieve the most coherent and detailed sound experience.
The IE 900 — goodbye to tradeoffs
The IE 900 reveals the true potential of any recording. If it’s a masterpiece, you’ll hear it. Brilliant, sparkling treble — with no trace of sibilance.
A new level of clarity
A single dynamic driver only — of the highest quality, of course.
Features
- A new benchmark in portable sound reproduction
- Developed in Germany and manufactured at our state-of-the-art Ireland plant
- Helmholtz resonator chambers unmask critical audio details, even during extended listening sessions
- Gold-plated Fidelity (+) MMCX connectors for improved stability
- Adjustable ear hooks and choice of ear adapters including memory foam
- THD: 0.05% (1 kHz, 94 dB)
- Unrivalled precision & craftsmanship
- X3R TrueResponse transducer technology for balanced sound with ultra-revealing detail
- Precision-milled and anodized aluminum housing
- Choice of para-aramid reinforced cables (2.5 mm, 3.5 mm, 4.4 mm)
- Frequency response: 5 Hz - 48,000 Hz
- Impedance: 18 ohms
An acoustic back-volume establishes balance
To ensure accuracy across this critical frequency band, we’ve employed what is known as an acoustic back volume.
The sound of manufacturing expertise
We build the IE 900 at our state-of-the-art audiophile manufacturing plant in Ireland.
A precise fit for precise sound
We took the comfort and secure fit of these professional solutions as inspiration for the IE 900.
It pays to have good connections
In addition to outstanding sound, audiophiles appreciate durable products that are made to last. Here as well, the IE 900 excels.
- Sophisticated one-piece aluminum housing
- 7 mm TrueResponse transducers
- X3R Triple–resonator chamber technology
- Treble detail and soundstage well suited for classical music
- 2.5, 3.5 and 4.4-mm cable / MMCX connector
- Premium carry case
Specifications
Article number (SKU)
508949
Transducer principle
dynamic, Extra Wide Band (XWB)
Transducer size
7 mm
Frequency response (speaker)
5 Hz - 48,000 Hz
What's included
- IE 900 in-ear headphones
- Balanced para-aramid reinforced cable with 2.5mm connector
- Unbalanced para-aramid reinforced cable with 3.5mm connector
- Balanced para-aramid reinforced cable with 4.4mm connector
- 3 pairs of silicone ear adapters (S, M, L)
- 3 pairs of foam ear adapters (S, M, L)
- Premium carry case with metal serial no. plate
- Cable clip, Cleaning tool & Cleaning cloth
- Presentation box with signed customer certificate & User manuals
Downloads
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Accessories & spare parts
We are committed to the longevity of our products.
- Foam ear adapter, 3 pair (S)€19.90
- MMCX cable with 3.5mm plug
- Foam ear adapter, 3 pair (L)€19.90
