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At £140, this Hifiman EF400 is a genuine bargain, sitting well below the 25th percentile (£149) of the tight used market where the median is £184. For a combined DAC and headphone amplifier that typically retails new between £300 and £500 (converted from $399–$599), securing one for £140 is an exceptional deal that demands immediate attention.
The EF400 earns its reputation for powerful output (4.4W per channel) and clean R2R DAC performance, making it a versatile desktop solution for driving demanding headphones. This listing represents a prime buying opportunity for an enthusiast seeking high-spec audio without the new-unit premium, especially if the unit is original-owner condition with full accessories intact.
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.
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