For a second, I was like "I really hope you're kidding....", but now I think I realized what you're asking.
Subs, depending on the size, quality, enclosure, etc.... should produce b/w 20hz and 100hz. Most people have the low pass filters on their amps/hu's set lot lower than that though, most likely at 80hz or so, but most subs can also do from 200hz to 500Hz, despite the fact that they'll sound annoying as hell doing it.
Mid-Bass should generally produce freqencies between what the subs and the mid-range speakers are capable of producing with good SQ. 200-500Hz.
Mid-Range (coaxial speakers or the bigger speakers of a component set) should usually do anywhere from 100-10,000Hz but some can go lower or higher, and co-ax speakers w/ built in tweeters can go much higher obviously.
Tweeters (highs, horns, etc) will usually do anything above what the mid-ranges will do, up until around 20Khz which is where humans can't hear things anymore (somebody correct me if I'm wrong).