4312 info please.

[super440]

Hi All; i'm new here,first post.
i've got a line on a nice pair of 4312D's,trying to find out what the difference is between all the different models? 4312,a,b,c,d
thanks

[BMWCCA]

Tried the "search" feature yet?

[super440]

Thanks for the suggestion,BMWCCA,didn't do any good to search all 182 pages. Still didn't find what I wanted to know. My answer was not in any of the posts. That's fine though,I passed on the 4312d's,and bought Altec model 15's instead.:D