HiFiMAN HE-400S Full-Size Planar Headphones Silver - Sportique

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HiFiMAN HE-400S Full-Size Planar Headphones | Silver

The HE-400S is one of the highest efficient planar headphones in the world - it sounds great with any device, including your smartphone. The full-size makes them comfortable for extended listening sessions, while the planar diaphragms significantly lower distortion to create rich and clear sound that audiophiles have come to expect from HiFiMAN.

  • Frequency Response : 20Hz – 35KHz 
  • Sensitivity : 98dB 
  • Impedance : 22 Ohms 
  • Weight : 350g 
  • Cable Length : 1.5 m 
  • Plug : 3.5mm/6.35mm 

Free Shipping on All Domestic Orders

See international and additional shipping information here. Tax is only charged if shipping to California.


If, for any reason, your purchase wasn't exactly perfect, we honor return requests within 30 days from the original purchase date. To be eligible for a return, your item must be unused and in the same condition that you received it in. It must also be in the original packaging. Customer is responsible for return shipping costs. To initiate a return, please fill out the quick form at the bottom of our Returns Page.

Please note that special or custom-made orders are non-refundable, as well as any body care or hygienic products (you wouldn't want to purchase used body wash, right?).

For large adventure and furniture items, such as kayaks or paddle boards, a 20% restocking fee will be incurred as we do team lifts to repackage and put these heavy items back into storage.

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