Sound settings to stop the "popping"?

Here is me!:: Lennie, Henderson, North Carolina. Piper Warrior II pilot; Volairsim cockpit; Corsair 750D case; Corsair 850W PS; Maximus IX MoBo; Samsung EVO 850 SSD; Toshiba 3TB ExtHD; 3-ASUS Proart 24" monitors; 2-GTX 1080ti video cards; I7-7700k CPU; Saitek instruments and panels - SPAD, MFG Crosswind rudder pedals; Brunner CLS-E yoke and Go-Flight throttle; Win10 Pro; P3Dv4, PTA, Active Sky, and lots of ORBX stuff.