Hifiman HE400i

Hifiman HE400i
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All units in stock have the new for 2016 2.5mm connectors on each earcup. The Hifiman HE400i replaced the HE400 in 2014 and feature Hifiman's new lightweight design,  soft Focus earpads & comfortable headband for a great fit, long wearing comfort and a minimum of heat. These are a glossy dark grey/black finish that is very subtle and smart looking. They include a short woven cable, 1.5m, with an L shaped 3.5mm plug. Packaging is first class, in an impressive vinyl covered clamshell case (the best way for us to remove the headphones was to tip over the case and remove the headphones along with the top of the foam packing). 

These are clearly easier to power than the HE560 and sound excellent! The HE400i provide many of the strengths of Hifiman's pricier planar magnetic headphones, at a more affordable sub $1000 price - great clarity and separation of instruments and vocals, clear treble without sibilance and tight, deep, powerful bass response from the large, fast drivers. There is a clear, black background during quiet points / between instruments that good planars excel at providing. 

To connect with a DAC, check out our iFi micro iDSD. The portable Peachtree Shift also sounds excellent with the HE400i and connects with computers, android and is an IOS approved compatible apple dac.

From Hifiman: 

HIFIMAN HE-400i is a full-size planar magnetic headphone intended for high performance listening in the home or studio. The HE-400i is 30% lighter than comparable headphones allowing the listener to comfortably enjoy music for hours on end with minimal listener fatigue. 

Along with the lighter weight, a newly-designed headband with an improved pressure pattern is a key to the phone’s best-in-class comfort. The FocusPad, new beveled hybrid ear pads made of pleather and velour, provide both increased comfort and improved sound quality. The gloss ear cups are finished in a smoky gray, Mylar finish that gives the HE-400i a striking contemporary look. 


  • Frequency Response: 20Hz - 35kHz
  • Impedance: 35 Ohms
  • Sensitivity: 93dB/W
  • Weight: 370 grams
  • Includes 1.5m cable and 1/4" adaptor
  • 1 year warranty to original purchaser 



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