sound crackles until framelimiter is turned off via F4

my pc--
cpu--i5 8600k--not overclocked--hyper 212 cooled
motherboard--z370 gaming plus
ram--16gb ballistix sport lt 8gb x2 dual channel--not overclocked
video card--gtx 1080 founders edition--drivers are 399.24 as the 400 series cause me serious frame drops in my other games
hardrive--samsung 850 250gb ssd

windows 10 1809 build 17763.292

espxe 2.0.5
no plugins all core
bios scph1001
setup according to basic setup guide but i noticed some weird frame issues also...ill explain below
gamepad...

sound crackles until framelimiter is turned off via F4