Extremely. Among the IEMs I have auditioned/owned, it gives the best performance for large set piece classical tracks and anything instrumental. The feeling of being in a "live" performance is very strong. Coupled with Horus Octa, treble on strings and wind instruments sound very good.
I am rotating between 3 setups now with the 18S+Horus Octa being one of them. The other 2:
1. Elysium+Leo 2 Octa: Best mids and vocals ever. Using a DD to drive the mids is pure masterclass to me. treble is great as well and I have no idea why folks say this is bass lite.
2. Noir+Code51: I defer to this setup when I need a kick in the brains. Superb holographic sound stage and I like how the spread out bass in presented. Not affected by treble or "brightness" which many highlighted.
These 3 get the most play time now and the Z1R and Legend X have been sidelined for the moment.
Very nice collection, I’m envious.