The IE 900 from Sennheiser redefines portable audio excellence with cutting-edge innovation, precision craftsmanship, and an unwavering pursuit of perfection. Its acoustic architecture delivers pristine, lifelike high-frequency clarity, powered by an enhanced 7mm Extra Wide Band XWB transducer system—calibrated to stricter tolerances for superior accuracy—and the proprietary triple-chamber absorber T3CA technology. This synergy enables powerful yet controlled dynamics, maintaining distortion-free, crystal-clear sound at any volume. Handcrafted by Sennheiser’s expert team in Germany to the industry’s most rigorous standards, the IE 900 guarantees unmatched durability and performance.
Innovative X3R technology, unique to the IE 900, combines the German-made 7mm transducer with specially developed membrane foil, triple-chamber absorber, and acoustic vortex for an intense listening experience. Specific uses for product: Music. Larger-than-life sound from 7mm TrueResponse Transducer, crafted in Germany specifically for in-ear listening using the entire frequency spectrum for critical hearing of all elements of the source. Unique triple-chamber absorber system and acoustic vortex removes masking resonances for a refined and extended treble. Newly developed membrane foil minimizes resonances and distortion. Equipped with para-aramid reinforced cables with gold-plated MMCX connectors, which have a special recessed and robust design to ensure reliability even after over 500 attachment cycles. Selection of silicone and memory foam ear adaptors in 3 sizes (S/M/L) and adjustable ear hooks to ensure an optimal fit and high noise isolation. Product includes: 3 connecting cables with MMCX connectors (single-ended 3.5mm and balanced 2.5mm & 4.4mm), silicone & memory foam sets (S, M, L), carry case, cleaning tool, and user manual. 2-year warranty.