Sennheiser HD 620S vs FIIO FT1

The Sennheiser HD 620S and FIIO FT1 are both very comfortable closed-back headphones. Which you'll like best relies on whether you want a more laid-back, balanced tuning, as with the Sennheiser, or a warmer, bassier sound profile, as with the FIIO. The Sennheiser are better built with tighter L/R driver matching. However, you get fewer accessories, like a single average 3.5mm cable and basic pouch, which cheapens the package somewhat. The FIIO, on the other hand, are more visually arresting, with wood on the ear cup housings, and they also come with a proper zip case and a second balanced audio cable. While neither pair has great frequency response consistency, the FIIO are slightly better in this regard, but it's worth checking the graphs to see how people with your anatomy or accessories (head size, hair length, glasses, etc) fare when wearing them.