HiFiMan HE 400i Review

HiFiMan HE 400i Review

HiFiMan HE 400i Review The HiFiMan HE-400i is a high-end headphone made for audiophiles at a semi-affordable price. The earphones are an upgrade from the HE-400 headphone that has now been discontinued. However, the full-size model you can find available on the market as it...