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Hi friends,
I would like a help on compatibility.I have a controller for DJ Numark Mixtrack Pro 3, but it is not being recognized in the Hub,but my audio interface works normally,M-Audio M Track Plus.
I tried to connect the controller on port 1.5A also, however it did not work.

I also wonder if on 1.5A ports can connect pen drive,external HD or printer?Or are only recommended for Smartphones or Tablets.
My computer uses Windows 7 Ultimate systemThanks