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mmerse yourself in pristine audio with the Sennheiser IE 900 wired in-ear monitor, designed for the discerning audiophile.With its comfortable in-ear only form factor and high-quality 2.5mm ,3.5mm and 4.4mm connectivity, these earbuds are perfect for on-the-go listening or casual wear.The IE 900 ...
At A$1,050, this used Sennheiser IE 900 is a genuine bargain, sitting well below the 25th percentile of A$1,065 from our recent AUD listings and far under the new price of A$1,899–A$2,099. This is a strong deal for a flagship IEM that still commands top-tier pricing in the current market.
The IE 900 is widely celebrated for its exceptional bass control, crisp treble, and flagship-level resolution, making it a reference-grade choice for critical listening. Buying at this price offers significant upside: you’re getting near-new performance for roughly half the cost of a new unit, with no need to wait for a sale. Unless the condition is questionable or accessories are missing, this listing is a buying opportunity for any serious enthusiast.
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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