Sometimes things just don't float your boat but I highly recommend further tip-rolling if you've only used the ZSR with a few eartips. With some eartips the ZSR can come across as slightly veiled in the midrange if the lower frequencies are too prominent. I swapped to a tight fitting but somewhat narrow-bored silicone eartip and it slightly pulled the midrange forward while slightly offering more control in the lower frequency ranges. It wasn't by much but it was enough to give classic rock a good balance of warmth and transparency.
The eartip on the far right, which has a collar small enough to fit on a 3mm nozzle, is the eartip that gave me the better presentation. It's quite odd that it fit when you consider the ZSR's 6mm telephone pole nozzle but it did work wonders.
If there is an eartip that can produce similar results then perhaps you'll get more enjoyment out of your ZSR.
I remember how much you enjoyed your ZS6 despite your having to get acclimated to its extraordinary presentation of micro-detail. Stay tuned over the coming weeks because there may be some noteworthy information to report in the near future. That's all I can say for now but keep a watchful eye on this thread in the coming weeks.
In the meantime, I'm sure you have your own test tracks but for those who identify with your experience I've included several test tracks to use while tip-rolling in order to achieve a midrange with more presence and sub-bass with less presence. The second track in particular should be helpful in determining the relationship between the midrange and the lower frequencies.
