This is a weird one: Brand new S4-
Randomly on channel A, when nothing is playing, if I touch the S4 body, anywhere on the S4 that isn't a button or knob, I get a strange sporadic low frequency sound only on channel A that actually registers on the led meter. Sounds almost like low frequency audio feedback, but digital sounding (not using a mic or line in anywhere).
I noticed it when moving my headphone jack. Then I noticed it happens when tapping on the sides, picking the unit up from underneath, etc etc. And it's not consistent. Sometimes it happens, sometimes not, but it is pretty frequent.
I also noticed if I tap on the unit anywhere, the midi signal in Traktor activates, and I see flickering of track names in Traktor sporadically when this happens.
