Control Panel > Hardware & Sound > Sound
Headphones/Speakers > Properties
Enhancements > down to "Loudness Equalization".
I disabled all.
More useful stuff. Advanced > Default Format > 24 bit, 48ooo Hz
[ broken embedded image removed by Dick ]
16 bit 44100 Hz seems the most common WAV format. Yet I didn't change. May be worth a check and test some new arrangement