Hi there, am looking for a proper pair of MK2 6000’s. I don’t get the fact I see 6821 speakers with item number 1682101 with the aluminum block below the speaker fronts and speakers with item number 1682002 with that same aluminum block.
How to recognize the speaker that have the MK2 spec with the bass upgrade?
And what is the explanation of the Item Ko. With B&aO?