If you google and look in the library the answer is there
Btw the S3100mk11 brochure has Harman China
I would suggest your in documented reference is a generalisation
The mk11 has an improved compression driver and the charge coupled crossover
There are possible other changes
Japan has and always will be a principle market for Jbl consumer
Jbl consumer distribution varied historically but theee days it’s more a global uniform situation
The Jbl approach to product development and marketing has changed significantly in the past few years
http://www.lansingheritage.org/image...mkII/page2.jpg