Home Pre Black Friday Deals HiFiMan HE400i Over Ear Full-size Planar Magnetic Headphones $179 Pre Black Friday Deals HiFiMan HE400i Over Ear Full-size Planar Magnetic Headphones $179 By ARCOM - 1 February 2018 353 0 SHARE Facebook Twitter Go to the deal page: HiFiMan HE400i Over Ear Full-size Planar Magnetic Headphones $179