Great question! but I'm no expert here and seniors in knowledge can help you more on this. However what I think.. it also depends on general to renowned brands selling speakers. There are various factors involved too. Many of us prefer foreign brands for the obvious quality reasons, right. So the import duties play an important role here what we are paying and that all started from manufacturer to customs to distributors to dealers and so on. We in India pay hefty import duties.
A general bookshelves start from 12k a pair if you browse online sites and better one goes higher like from Micca->Mission->Polks->Elacs and so on.
A good pair of speakers can have intricate manufacturing process as an amp but not that much..is it?
But as you compared the cost of two different technologies, it might need a thought and I'm curious too 
Thanks!
View attachment 25348