You need a pc to use Pimax. Your 1060 should work fine & windows does allow you to choose audio out. As for blue ray movies that will be dependent on the video player. It does have a version of kodi with vr extension.
@Jonnypannic has a 1060 3gig card & may have more advice.
@noro has a lot of experience comparing vr Video players & can likely reccommend a player.
Just note its Pimax no r