Headphone.com premium domain is for sale at Sedo.com

Your Cart is Empty


HiFiMAN HE 400S Planar Magnetic Headphone

One of the highest efficiency planar phones in the world! HIFIMAN’s newest HE400S sounds terrific on your smartphone or most any portable audio device.


  • HE 400 S delivers all the lifelike clarity, detail, extended bass and wide sound stage that audiophiles have come to expect from HIFIMAN.
  • Innovative headband and specially designed ear pads for remarkable comfort allowing you to enjoy your music for hours on end due to the lightweight design of only 350 grams.
  • The 400S is a planar magnetic headphone that significantly lowers distortion versus traditional dynamic drivers. 


  • Frequency Response : 20Hz - 35kHz
  • Sensitivity : 98dB
  • Impedance : 22 ohms
  • Weight : 12.3 Oz (350 grams)
  • Cable Length: 1.5m (5 ft)
  • Connector Type: 3.5mm (1/8")
  • Manufacturer Warranty: 1 year
News & Updates

Sign up to get the latest on sales, new releases and more …