JuanLuis91
100+ Head-Fier
I would try a silver coated copper cable. Silver does a great job with giving a wamer/ darker phone some extra needed transparency and you should notice a bit more clarity in the overall sound as well. They are pretty common online. Also try a more open nozzle tip something like a JVC Spiral dot tips to open up the treble end a bit more with an added benefit of lowering a bit of mid bass which ultimately balances the sound on a lot of iems.
https://www.amazon.com/OKCSC-Upgrad...15846&sr=8-18-spons&keywords=mmcx+cable&psc=1
¡Nice cable! Actually I do not think I need to reduce the mid bass, since this Oriveti is focused on the sub-bass. Could SpinFit work here without reducing the mid bass?