HifiMan Electronics RE-400i In-Ear Headphone with Dynamic Driver for iOS (Black)

Model: RE400I UPC: 881314684304 Item: 163032

Product Information

RE400i features a 8.5mm coated Titanium driver custom designed and manufactured by HiFiMAN. Advanced ergonomic design helps with both ease-of-use and comfort while all-new, custom-designed drivers utilize special Titanium coatings for remarkable detail and extended frequency response. The addition of Neodymium magnets and premium cabling of Oxygen-Free Copper on RE400i helps deliver all the music as it was originally intended.


  • 3.5mm mini adapter for regular earphone jack
  • Frequency Response: 15Hz-22KHz
  • Impedance: 32 Ohms+/- 3.2
  • Sensitivity: 102 dB/mW
  • Rated: 10mW
  • Maximum Input: 30mW
  • Weight: 0.47Oz (13.5g)