HiFiMAN HE400i Over-Ear Planar Magnetic Headphones


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  • Product Description

    Good headphones have a way of unfolding your music like a road map — suddenly, everything is right there in front of you. That's the specialty of the HiFiMAN HE-400i headphones. They lay out all the details of a song so you can traverse the dynamic peaks and valleys, picking out individual instruments along the way. Like many of HiFiMAN's headphones, the HE-400i employs planar magnetic drivers, which produce sound that's warm, clean, and wide-open. The original HE-400 headphones were impressive — the HE-400i takes things to a whole new level, with improved sound, styling, and comfort that begs for repeated listening.

    HiFiMAN has quickly distinguished themselves in audio circles with their planar magnetic drivers. While most headphones rely on dynamic drivers like the ones usually found in speakers, the HE-400i's planar magnetic drivers offer some cool advantages. Because the drivers cover a larger surface area, they're able to deliver striking detail and spaciousness. HiFiMAN's planar drivers are also known for their warmth, which gives your music a pleasant smoothness. These headphones also have a remarkably natural timbre — important so vocals sound open and accurate.

    As good as the '400i headphones sound, their physical attributes will add a lot to your listening enjoyment. These headphones are quite stunning and extremely lightweight for a planar design. HiFiMAN completely reimagined these headphones to look good and feel good, without sacrificing the slightest bit of sound quality. The earpads mix leather and velour for a luxurious fit, while the unique adjustable headband is both practical and attractive.

    Use with your smartphone, or better yet...
    These headphones are efficient enough to be plugged directly into a smartphone or portable music player. They'll sound great, but they'll sound even better with a dedicated headphone amplifier. Then you'll really hear just what these headphones are capable of.


    • Lightweight - Comfortable
    • Single-ended planar magnetic driver provides superior soundstage and spatial imaging
    • High quality sound
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  • Other Details

    Impedence 35 Ohms
    Frequency Response 20Hz-35KHz
    Sensitivity 93dB
    Headphone Type Over-Ear
    Cord Type Detachable Standard 3.5mm Audio Cable with 6.35mm Adapter
    Noise Canceling No
    Bluetooth Compatible No