I prioritize sound quality over everything. multi channel surround sound is secondary. Budget is +/- $400. My motherboard is - https://www.asus.com/us/Motherboards/ROG-STRIX-Z370-E-GAMING/ the on board audio seems fine, but definitely has flaws. i'm not sure whether to put all of my budget into the headset itself, or to split it to get an amp as well. Thoughts and suggestions?