Sennheiser IE900 Wired In Ear Headphones Art The pursuit of high-fidelity sound is a noble art. A remarkable listening experience consequently requires zero compromise. Sennheiser has engineered an unparalleled in-ear monitor. This flagship design therefore sets a new benchmark in portable audio fidelity. Furthermore, it delivers a transparent, natural sound that unveils every subtlety in your music. Every high-resolution recording is treated as a masterpiece. The Sennheiser IE900 thus reveals the true potential of your entire collection. Technology Sennheiser wisely chose a single dynamic driver design. This choice entirely avoids phase issues and distortion often found in multi-driver systems. The 7 mm TrueResponse transducer, engineered in Germany, provides exceptionally natural sound. Crucially, the IE 900 features innovative X3R technology. This unique system consequently combines the TrueResponse driver with three Helmholtz resonator chambers. These tiny channels are precision-milled directly into the aluminium housing, eliminating masking resonances. Furthermore, an acoustic vortex in the nozzle further refines acoustic energy. This inspired engineering ensures brilliant, sparkling treble without any trace of sibilance. Thus, listeners enjoy stunning clarity and detail. Craftsmanship Ultimate precision defines the construction of these reference earphones. A five-axis CNC machine precision-mills the housing from a single block of high-performance aluminium. This demanding process takes around forty minutes per earphone. The robust, anodised finish resists wear and corrosion, ensuring lasting aesthetic beauty. Furthermore, this solid metal chassis expertly protects the sensitive acoustic components. The drivers in each pair are carefully matched during the automated manufacturing process. Hand-assembly by a specialist team at headquarters ensures razor-thin tolerances. This meticulous attention to detail ensures a transparent soundstage with no distracting gaps or holes. Consequently, you receive a truly cohesive listening environment. Comfort Designed for extended personal music enjoyment, comfort remains paramount. The lightweight, ergonomically shaped housing sits securely and discreetly in the ear. Therefore, listening sessions remain comfortable for hours. The IE 900 comes equipped with adjustable ear hooks. In addition, you receive a choice of six pairs of ear adaptors for a perfect, isolating fit. This selection includes three sizes of silicone tips and three sizes of viscoelastic memory foam tips. Robust, gold-plated Fidelity MMCX connectors offer improved stability and reliability. Moreover, para-aramid reinforced cables are included in three terminations: 3.5 mm unbalanced, 2.5 mm balanced, and 4.4 mm balanced. These highly durable cables provide connectivity to practically any audiophile source. Feature Specification Transducer Principle Closed-back single dynamic driver, pressure chamber Transducer Size 7 mm Frequency Response 5 Hz – 48,000 Hz (-10 dB) Impedance 16 Ω Sound Pressure Level (SPL) 123 dB (1 kHz, 1 Vrms) Total Harmonic Distortion (THD) <0.05% (94 dB, 1 kHz) Ear Coupling In-ear headphone Weight (single earphone) 4 g Cable Length 1.25 m Connector Type Gold-plated Fidelity MMCX Connectors Included Plugs 3.5 mm, 2.5 mm, 4.4 mm
