Rhythmic sound when braking

[B-train]

You might want to consider putting it in the air so you can run it in 4wd and listen as all wheels spin. Then lighty use the brakes ans see if you can replicate it with a helper and try to pinpoint the issue

 

[Doubeleive]

I had already replaced rotors and pads, still makes same noise

if you can't figure it out any "good" shop can