Yeah, I tried it. Just select an Equalizer setting with a preset button or your own, click Save, give it a name, and Save it. Seems to be keeping the last settings. I wasn't sure the speakers had Bass\Treble capability because it used to be grayed out in some setting somewhere (oh, I see it in Volume Control\\Advanced, grayed out), but I do notice the Tone via Equalizer changes in my headphones.
What is everyone's optimal favorite "Environment" setting? I want to get some depth in my sound, but most of them seem to have too much Echo\\Reverb. I haven't tried editing an Environment, which is an option.