Well Crin just dropped the Project Red... Get those.

Link to purchase - https://shenzhenaudio.com/products/truthear-x-crinacle-zero-red-dual-dynamic-drivers-in-ear-headphone

And add these Eartips, AZLA SednaEarfit Max Eartips. Get the AZL-MAX-SET-S option

Link to purchase - https://www.amazon.com/AZLA-SednaEarfit-Standard-Pairs-Size/dp/B0B493Y7TQ

FiiO FD5, u/Zarni1410

Link to purchase - https://www.amazon.com/FiiO-FD5-Earphones-Beryllium-Coated-Smartphones/dp/B08QM7N65J

And get some AZLA SednaEarfit Max Eartips for them. Get the "AZL-MAX-SET-S" option in the buying options

Link to AZLA SednaEarfit Max - https://www.amazon.com/AZLA-SednaEarfit-Standard-Pairs-Size/dp/B0B493Y7TQ