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HIFIMAN  HE400S Full-Size Planar Headphone
  • HIFIMAN  HE400S Full-Size Planar Headphone | 98 dB Sensitivity | 22 Ohms Impedance | Frequency Reponse 20 Hz to 35 kHz
  • HIFIMAN  HE400S Full-Size Planar Headphone | 98 dB Sensitivity | 22 Ohms Impedance | Frequency Reponse 20 Hz to 35 kHz
  • HIFIMAN  HE400S Full-Size Planar Headphone | 98 dB Sensitivity | 22 Ohms Impedance | Frequency Reponse 20 Hz to 35 kHz
  • HIFIMAN  HE400S Full-Size Planar Headphone | 98 dB Sensitivity | 22 Ohms Impedance | Frequency Reponse 20 Hz to 35 kHz

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Item Code: HMHFM00003 Part Number: HE400S

HIFIMAN HE400S Full-Size Planar Headphone
98 dB Sensitivity
22 Ohms Impedance
Frequency Reponse 20 Hz to 35 kHz

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$429.00 Our Price

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The HE400S Full-Size Planar Headphone from HIFIMAN delivers clarity, detail, extended bass, and wide soundstage, and is compatible with virtually any smartphone or portable audio device. With conductive layers over almost the entire diaphragm, this planar headphone offers significantly lower distortion than a conventional dynamic headphone which uses conductors that vibrate in limited areas of the diaphragm. In addition, the headphone's innovative headband and earpads provide hours of comfort for you to enjoy listening to music.


  • Delivers clarity, detail, extended bass, and a wide soundstage    

  • Innovative headband and earpads offer comfortable listening for long hours    

  • Full-size planar-magnetic drivers with conductive layers over almost the entire diaphragm, resulting in significantly low distortion 


Brand Hifiman
Model HE400S
Type Over-Ear
Weight 3.85 lb
Manufacturer Warranty 1 Year
Dimensions 13.4 x 10.1 x 7.1"
Connection 3.5 mm / 6.35 mm
Frequency Response 20 Hz to 35 KHz
Cable Length 4.9' (1.5 m)
Impedance 22 ohms
Sensitivity 93 dB
Drivers Planar Magnetic
Manufacturer Warranty 1 Year Manufacturer
Manufacturing Defect Exchange 14 Days
Sales Condition All headphones / headsets are final sale. No Return or Exchange. Defective items can be exchanged in 14 days for same model only. Store credits will be issued if defective items are EOL. (Except for Sony & Hifiman)
Contact Please contact vendor through "info@xloelectric.com" for Warranty or Product Issues.