1- 31-band equalizer on the master,to add a 31-band equalizer in the traktor pro 4.
2- Integrate in the traktor pro 4 vst host plugin Winamp.through it open your vst plugins in the traktor pro 4 above deck configure this vst plugin and turn it on hide its window so it doesn't interfere with the background process and this vst plugin will work if you need plugins in this to tweak or turn it off , expand its window.
3.So that you can add your own samples in the Pattern Player.