There are many variations of steel mesh covers both in terms of shape and size. Not every kind is great but I really like the type which the N50 driver has. I would prefer this variation to the regular plastic cover, it has better comfort and stronger connection to the shells (no need of glue, plastic ones rotate around and slightly wobble for me). MX500 shell is more stable in my ears with N50 steel mesh cover than regular plastic ones. Other shells benefit from the thinner cover as well, like dp100 and similar ones because they become too big and bulky with plastic covers. On the other hand of course, if the shells are small or concave then the plastic cover might improve the fit.
I'm not sure what would be the sonic difference between two identical speakers with different covers, maybe the steel mesh rolls off a bit of treble and increases the mids but I only base this on general observations about plastic vs steel mesh speakers. The better fit can also change the sound, depending on your ears you might get a bit boost in bass if the seal improves with the thinner cover. I use donut foam usually with everything, but I think steel mesh covers are especially suitable for donuts. If you eventually buy both variations from the same speaker, let us know what you think
I'm not sure what would be the sonic difference between two identical speakers with different covers, maybe the steel mesh rolls off a bit of treble and increases the mids but I only base this on general observations about plastic vs steel mesh speakers. The better fit can also change the sound, depending on your ears you might get a bit boost in bass if the seal improves with the thinner cover. I use donut foam usually with everything, but I think steel mesh covers are especially suitable for donuts. If you eventually buy both variations from the same speaker, let us know what you think
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