I asked this question to Dr. Hsu just this past year, I use my M80s for 100% music. He asked me what type of music I listen to, which is mostly Blues and Rock, and he recommended the STF-3. As he noted in the style of music that I listen too the need for output below 20Hz wasn't necessary. I have been totally satisfied with it.

Rick


"A fear of weapons is a sign of retarded sexual and emotional maturity." Sigmund Freud