They don't do super deep bass, but they will play very loud without effort. I added a pair of 15" direct radiator subwoofers to a pair of K-horns years ago. my die-hard horn-loaded-only friend was impressed with the extension. I think I crossed the subs somewhere around 40 Hz and they would play down close to 20 Hz. Those subs could seriously shake the house with a couple hundred watts each. The K-horn didn't need nearly as much power to keep up with them. If I was willing to shatter my eardrums I'm sure the K-horns could have left the subs in the dust.
klipshorn speakers
awile back i posted that my son is looking for a speaker that will shake his room.he is buying a klipshorn. is this a good choice??