Hifiman Edition X Review: Update: added Edition X V2  First, a little about the Hifiman HE1000 (History on Hifiman’s Flagship (big brother of the Edition X):        Let’s take a moment and back up so we can cover a little history about Hifiman’s success with their current top of the line headphone; HE1000. Many people commonly refer to them as the HEK or HE1K. The HE1000 has the claim to fame of the World’s first Nanometer thick diaphragms. Dr. Fang Bian, the owner and innovator of Hifiman, has studied long and hard to become a leader in the...