The IE 900 from Sennheiser sets a new benchmark in portable audio fidelity through technical innovation (X3R), meticulous attention to detail, and an uncompromising demand for perfection. Every aspect of the IE 900 has been engineered to work in harmony to achieve the desired acoustic tuning and to reduce resonances and masking effects. Its acoustic design ensures brilliant, natural high-end sound reproduction and reveals even the finest details in the music

Innovative X3R technology for an intense listening experience

German-made 7mm TrueResponse transducer for natural balanced sound

Unique triple-chamber absorber system refines and smoothens high frequencies to perfection

Acoustic vortex milled into the nozzle ensures natural sound wave propagation

Specially developed membrane foil minimizes resonances and distortion

Designed, engineered, and manufactured in Germany

Transducers are matched during the manufacturing process to practically eliminate variance

One-piece housing is precision-milled from a single block of aluminum

Hand-assembled by a specialist team at Sennheiser¹s headquarters to razor-thin tolerances

Global 2-year warranty

Lightweight high strength housing offers exceptional durability and long-lasting aesthetic beauty

Form fitting anodized aluminum housing seats securely in the ear

Selection of silicone and foam ear adaptors ensure an optimal fit for high noise isolation

Adjustable ear hooks adapt to the natural shape of the ear for a tailored fit

Para-aramid reinforced cables with gold plated Fidelity+ MMCX connectors ensure longevity of use

A choice of balanced and single-ended cables (2.5mm/3.5mm/4.4mm) for easy connectivity