Unboxing and a closer look.
As can be seen Yaxi sent three versions of the HD25 which they said would be a fit for my ATH-ESW9 headphones.
They are slightly smaller that the stock pads, and sit of the ears like with the Sennheisers, I find the design and slightly larger ATH-ESW9 stock pads encompass my ears a bit more.
With the filter (sold separately) they approach the stock pads a bit more, with added treble.
The shape it quite different with an inward slope on the stock compared to the rounded Yaxi pads.
The pads laid out in comparison
As the filter is more designed for use with the HD25 headphones I did not spend too much time experimenting with as I felt the warm, rich sound of the ATH-ESW9 perhaps did not require it so much.
What I did find was that it was useful especially for the Yaxi leather pads as it moved them more towards the neutral end.
The other pads already having this filter. I was tempted to try doubling up the filter on the