Nothing except reliability. I have had a couple of C variants that I have had to call time on for repair and send my customer to Marshall directly. It has a board issue but as Marshall refuse to sell boards now for either this or the JVM series, it's back to Marshall with it.What’s wrong with the DSL40C? I’m sure I’ve played that version, but never owned one.
The DSL40CR so far does not have the same issues.