Ok, here goes my first impressions on the F9 Pro. Please note that I only listened to the earlier F9 for a brief time and found that to be a little sibilant and a tad too bright for me. Build quality of the F9 Pro is stellar and the new titanium color which is exclusive to the Pro is nice. The 3.5mm and 2.5mm cables are the same as the previous ones but the Pro comes with 6 additional pairs of tips, so in total there are 9 pairs of silicon tips and 3 pairs of foam tips. To recap, you get 3 pairs of foam tips, 3 pairs of wide bore tips, 3 pairs of...