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This is a later-generation desktop DAC/amp, so timing is still relevant: it’s not obsolete, but newer Hifiman options mean the used price needs to do some heavy lifting. At A$478, this sits well above your used-market anchor of A$351 median and even above the A$356 75th percentile, so it reads ambitious, not fair value. For a plain used unit, I’d want a better number before calling it a buy.
The upside is real: the EF400 is widely liked for its strong power output and full, rich R2R-flavoured sound, which suits planars and other harder-to-drive headphones well. If the unit is clean, fully functional, and includes the original power supply and packaging, that helps—but at this ask, the buyer is paying for convenience more than value. I’d keep it on the watchlist and wait for something closer to the middle of the market.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Hifiman traces its origins to 2005, when Dr. Fang Bian, a chemist with a lifelong passion for audio electronics, founded Head-Direct in the United States as an online retailer and headphone developer. By 2007, he rebranded to Hifiman, relocating manufacturing and R&D to Tianjin, China, while maintaining sales operations in the US and beyond. This fusion of American entrepreneurial drive and Chinese production expertise propelled the brand from modest in-ear monitors to global prominence.
The company specializes in high-end headphones, particularly planar-magnetic and electrostatic models renowned for their detail and soundstage, alongside complementary portable digital audio players, headphone amplifiers, and cables. Early milestones like the 2009 HM-801—the first pocket-sized high-resolution player—and the HE-5 planar headphones established its innovative edge, with co-founder Binwu He pioneering planar technology integration.
Hifiman commands a elite position in the audiophile market as a high-end leader, delivering reference-grade performance that rivals legacy brands. Its products earn consistent acclaim for transparency and musicality, appealing to discerning buyers seeking uncompromising planar transduction without vintage pretensions or mid-tier compromises.
See all Hifiman listings on RADAR.
