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Your question is worded very oddly, but to attempt to answer it, headphones (most) operate off of an analog signal from a DAC (digital to analog converter). In any analog setup you’re going to have some amount of signal transmission or line noise unless the two transmission lines are entirely shielded or entirely separated.
It’s a massive game that was absolutely a labor of love, but it’s Rockstar we’re talking about here. They turn love into microtx and milk it till it’s dry. Then it’s to the meat packing facilities for a little mobile/console porting so it’s innards can be broken up to be resold 😂. No real fault to the devs, art team, and story team that absolutely did put love into the game though.