Description
The Sennheiser IE 900 represents a pinnacle of German audio engineering, aiming to deliver the full potential of high-fidelity recordings in a portable form factor. By opting for a refined 7mm single dynamic driver rather than multiple drivers, the IE 900 avoids complex crossovers and phase issues, resulting in superior coherence and transient response.
The X3R technology, a hallmark of the IE 900, includes three Helmholtz resonator chambers drilled into the aluminum chassis between the transducer and the nozzle. This, along with an acoustic vortex, cleans up high-frequency performance and eliminates the masking effect, where lower-frequency sounds drown out subtler high-frequency details.
The housing is robust and hand-assembled in Germany, designed for long-lasting use. The IE 900 comes with a “premium carry case” with a serial number plate, multiple ear tip choices, and para-aramid reinforced cables that provide a secure over-ear fit. These in-ear monitors are designed to be “fatigue-free,” suitable for long listening sessions, offering “powerful, disciplined bass” and “sparkling” treble.
Specifications
| Design | Closed-back, single dynamic driver, pressure chamber |
| Housing Material | One-piece precision-milled Aluminum |
| Transducer Principle | Dynamic, Extra Wide Band (XWB) |
| Transducer Size | 7 mm |
| Frequency Response | 5 Hz – 48,000 Hz |
| Impedance | 16 ? (some sources list 18 ?) |
| Sound Pressure Level (SPL) | 123 dB (1 kHz, 1 Vrms) |
| Total Harmonic Distortion (THD) | < 0.05% (1 kHz, 94 dB SPL) |
| Attenuation | -10 dB / -26dB (approximate passive noise isolation) |
| Technology | X3R Triple-chamber absorber technology |
| Connector | Gold-plated Fidelity (+) MMCX connectors |
| Cable Length | 1.25 meters |
| Included Cables | 3x Para-aramid reinforced cables |
| Included Terminations | 3.5 mm (unbalanced), 2.5 mm (balanced), 4.4 mm (balanced) |
| Ear Adapters | 3 pairs Silicone (S, M, L), 3 pairs Foam (S, M, L) |
| Case | Premium carry case with serialized metal plate |
| Cleaning Tool & Cloth | Included |
| Other | Adjustable ear hooks, cable clip |
| Weight (each earphone) | 4g |
| Weight (earphones + cable) | 24 g |
Package includes
1 x Sennheiser IE900 Hi-Res Audio Headphones
1 x 3.5mm unbalanced cable
1 x 2.5mm balanced cable
1 x 4.4mm balanced cable
3 x Silicone ear tips (S, M, L)
3 x Memory Foam ear tips (S, M, L)
1 x Premium Carry Case (includes a metal serialized serial number plate)
1 x Cable Clip
1 x Cleaning Tool
1 x Cleaning Cloth
1 x Presentation Box
1 x Signed Customer Certificate
1 x User Manual
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