Concentric driver designs+a narrow baffle+attention paid to phase precision will tend to be holographic and disappear like a piece of cake...even if your room/setup is a bit suboptimal. If it fits your wallet, get a TAD E1TX. It isn’t very big and will be a significant step up (sonically) from what you currently have.
Or...here’s a less wallet abusing piece with some compromise from Technics (SB-G90M2)