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Our Thoughts RADAR AI

A$650 is ambitious for a used Hifiman EF400 against a recent market median of A$346, with the upper quartile at A$394, so this is priced well above normal used expectations. Unless it’s unusually complete, pristine, or bundled with extras, it looks like a stretch rather than a strong value buy.

That said, the EF400 has a solid reputation as a dense, good-sounding desktop amp/DAC with plenty of current on tap, so the appeal is real if someone wants an all-in-one Hifiman-flavoured house sound. It’s worth considering only if the condition is excellent and the included accessories, packaging, and ownership history justify the premium; otherwise, patience should bring a better-priced example.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Hifiman

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.

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