Not a problem!
I'm happy to clarify. Every member participating in the drop will receive an IEM. You've got the statistical distribution in your post.
Approximately 55% of members will receive an M-Duo. 35% will get an A151P 2nd Gen, and 10% will snag an M6.
So let's say we have 1,000 members join the drop:
550 = M-Duo, 350 = A151P, 100 = M6.
Out of all of the members, 1 member will receive the Pinnacle P1, a not-yet release flagship from...