When I plug a DDJ400 (tried with two, in two computers), the audio in headphones is like digital distorted. It happens randomly and the only thing I can do is re-plug USB. Then, it can happen again or not. Sometimes I have to try it several times. I have two laptops: A Macbook...
Headphones mix knob which is supposed to determine the balance between the cue and master channel was behaving weirdly, no matter whether the controller was used as master out or not. When the knob was all the way to the CUE setting, it was working as expected, as well as in the MIX ...