***UPDATE***
i've found an easy way around this. for me, i simply uninstalled Logitech Hub. this then removed the "Audio Enhancements" and therefore "Device Default Effects" from the headset options.
i have a slightly different issue, that i was wondering if anyone could assist me with.
basically, i've been suffering from low volume when playing games, especially when using my Logitech G535 headset. i've recently installed Red Dead Redemption 2 (RDR2) and the in game volume is so low, i...