HifiMan HE-400SE Planar Magnetic Headphones [b-Stock]



B-Stock product, (read below). Box opened only for customs inspection, the headphone is new and never used, with original packaging and accessories, 2 year warranty.

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108,20 €

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Warning: Last items in stock!

Brand: HiFiMAN


The new HiFiMAN HE-400SE

The reborn of the original HE400i with the launch of HE400i 2020 version last year has been a great success and we are looking forward to improving this already famous headphone. Here comes the HE400se, following HiFiMAN's original purpose to offer great sounding products at a more competitive price to make it accessible to the most.

The HE400se is an open-back planar magnetic headphone that employs single-ended drivers to deliver a wide soundstage with accurate spatial imaging. With increased efficiency to 91dB, the HE400se performs as well with smartphones and tablets as it does with a full-size amplifier.

The HE400se inherits all the latest technologies from the HE400i 2020 and features our latest driver technology : the stealth magnets. This modification will improve the overall result by adding more clarity and bringing a more realistic spatial separation. It also makes it easier to drive so it can now be used with portable devices.

Easy to Drive

One of the highest efficiency planar phones in the world! HIFIMAN’s newest HE400SE sounds terrific on your smartphone or most any portable audio device.

Superb Hi-Fi Quality

HE400SE delivers all the lifelike clarity, detail, extended bass and wide sound stage that audiophiles have come to expect from HIFIMAN.

Long Hours of Comfortable Listening

Innovative headband and specially designed ear pads for remarkable comfort allowing you to enjoy your music for hours on end

Lightweight: Only 350g!

Why Choose A Dynamic Headphone…When You Can have Planar?

Dynamic headphones utilize conductors that vibrate in limited areas of the diaphragm. Result is that a large percentage of the diaphragm cannot be directly driven by those conductors.

Planar headphones have conductive layers over almost all of the diaphragm. Evenly driven by these conductors, result is significantly lower distortion than conventional dynamic headphones.


Frequency Response: 20Hz - 20kHz

Impedance: 25Ohms

Efficiency: 91dB

Weight: 390g

HiFiMAN at a glance

Founded by Dr. Fang Bian in 2007, HiFiMAN is widely regarded as one of the leading manufacturers of high performance headphones and portable audio products. HiFiMAN is especially known for its critically-acclaimed Planar-Magnetic headphones that feature state-of-the-art driver technology. The company also designs and manufactures best-in-class dynamic in-ear drivers which have also garnered awards and rave reviews. HiFiMAN also owns and operates Head-Direct, an online webstore featuring the finest headphones and portable audio players available today, including HiFiMAN products.

A ´B-Stock´ is a product which has been returned by a customer within their 14/30 Day Money Back Guarantee.

These items are offered at a special, reduced price. Please note, that occasionally the packaging is no longer in pristine condition.

B-Stock products are in full working order and are checked by specialists before releasing them as B-Stock. They come with the full 2 year warranty as any other new product.

Any special comments about a B-Stock product will be noted at the beginning of the article description.

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HifiMan HE-400SE Planar Magnetic Headphones [b-Stock]

B-Stock product, (read below). Box opened only for customs inspection, the headphone is new and never used, with original packaging and accessories, 2 year warranty.

Write a review


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