Many thanks to KZ for sending the D-FI. You can find more information here:
https://www.kztws.com/products/kz-d-fi

If you are on Facebook, join us here:
  / hopesanddriams  

Timecodes:
00:00 Intro and Close Up
00:40 Nozzle
01:56 Cable
02:04 Tips
02:40 Graphs
06:08 The Switches
07:37 The Tuning
09:03 Endgame
10:40 Nitpicks
14:27 Sound
15:06 Bass
16:33 Mids
18:59 Treble
20:30 Stage