Any NAS will answer to a URL, to which any modern OS can connect directly or map to a local drive letter.
My NAS url is //nas/, my music music folder (shared folder) on the nas is //nas/music/. My JRiver database points to the URL, but for browsing to the folder using Windows Exporer I mapped a local drive M: to //nas/music/.
Welcome to AN, Rich!
I am intrigued by the dspMusik system, especially after Rim's review saying that it sounds transparent, by his high standards. I have been looking for a system like that to replace my lousy sounding pro audio speaker management boxes like DCX, Rane, Firepod that I use for active crossovers. But the way I use it requires me to be able to change the settings myself. Doesn't sound like that is possible, can the setup software be licensed to end user for personal use? I tinker with it so often I would feel impolite to ask for changes from you, and I wouldn't want to pay a fee for each change or I would go broke. hehe
Rich