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Selling my Sennheiser IE 900, one of the best dynamic driver iems in the market Description:X3R Technology: Precision-milled triple-chamber absorber system and acoustic vortex inside the aluminum housing to eliminate harsh treble resonances.TrueResponse Transducer: German-made 7mm extra-wideband ...
Compared with buying new, this sits a touch above the typical used lane for an IE 900: A$1,000 versus a median A$923, so it reads as fair-to-slightly ambitious rather than a steal. It is still close enough to the A$962 75th percentile that a clean, complete example can make sense, but there is not much obvious discount baked in.
The IE 900 is well-regarded for its resolving, spacious presentation, strong bass control, and excellent detail without sounding brittle, so it remains a top-tier portable listen if you want an endgame-style IEM. At this price, the value hinges on condition and completeness: original tips, case, cable, and proof of care matter because the premium here is for a preserved, ready-to-use set, not a project.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Founded in June 1945 by Dr. Fritz Sennheiser in a farmhouse near Hanover, Germany, Sennheiser began as Laboratorium Wennebostel, producing voltmeters and early microphones amid post-World War II reconstruction. Seven engineers from the University of Hannover joined the founder, quickly pivoting to broadcast microphones like the DM 2 in 1946 and the groundbreaking MD 82 shotgun mic in 1956. Renamed Sennheiser electronic in 1958, the family-owned company passed to second- and third-generation leadership, maintaining its innovative spirit over eight decades.
Sennheiser excels in professional and consumer audio, renowned for microphones, wireless systems, and headphones that set industry standards. Pioneers of the first open-back headphones (HD 414 in 1968) and enduring studio icons like the MD 421 and MD 441, they also produce high-end headphones, earbuds, soundbars, and conferencing solutions. While strong in pro audio like mixers and geophysical gear, their consumer focus centers on headphones and wireless tech rather than amplifiers, speakers, turntables, DACs, or cables.
Sennheiser commands a premium position in the hi-fi market, blending mid-tier accessibility with high-end excellence for discerning buyers and professionals. Trusted for reliability and sonic precision, it appeals to audiophiles seeking reference-grade headphones without boutique obscurity, backed by a heritage of technological firsts that sustains its global leadership.
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