Manufacturer’s Description

HE-400 is 92.5 DB efficient so it can be driven by virtually anything including an iPod. It has the familiar HiFiMAN sonic signature which means it is very detailed yet warm.

The Specs

Physical Attributes
Cord Length 10 ft
Weight 14.5 oz
Battery and Other Features
General Features Detachable Cable|Oxygen-Free Copper Cable
Quick Glance
Interface Type 1/4" (6.35mm)
Headphone Type On Ear (Supra-aural)
Warranty
Warranty Information 1 year(s)
Headphone Type
Interface Connection 1/4" (6.35mm)
Headphone Type On Ear (Supra-aural)
More Info
URL http://hifiman.us/Products/?pid=115
Performance
Sensitivity 92.5 dB
Overall Min Frequency Response 20 Hz
Overall Max Frequency Response 35 kHz

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