I was wondering the same thing as I recently bought a pair of KP-301 at a very good price and heard that it was an industrial version of the Chorus but I wasn't sure. That is great to hear that the KP-301 is like the Chorus! The pair I bought looked terrible from the outside but after I refinished the cabinet with epoxy spray paint, it looks pretty sweet.They sound terrific, very powerful speakers. I heard they sold for $980 a piece when new, so they are a steal if you can find one at a great price.
I previously have a pair of La Scala but sold it because they were just too big for the house. I missed the LaScala ever since, so I wanted to find something smaller but still powerful. Cornwall or Chorus will set you back around $700 - 1000. Finding the KP-301 is a good compromise. Certainly not as powerful as a La Scala but adequate enough.