2022 is about to draw to a close and the IEM scene isn't about to slow down any time soon. On the contrary, it seems like companies have picked up the pace on creating well-tuned, value for money products that are both wallet-friendly and attractive for people looking for quality, portable sound. That said, the number of collaboration units that have been released in 2022 is astonishing. If we just talk about major reviewers and their units, here's a non-exhaustive list: 1. QKZ x HBB Khan (BGGA) 2. Letshuoer EJ07M Kinda Lava (BGGA) 3. Seeaudio Yume Midnight (Crinacle) 4. Tripowin Olina (BGGA) 5. Tripowin Olina SE (BGGA) 6. TRI x HBB Kai (BGGA) 7. Yanyin Mahina (BGGA) 8. Truthear Zero (Crinacle) 9. Salnotes Zero (Crinacle without the branding) 10. Dunu SA6 Ultra (Zeos...?) 11. Letshuoer Z12 (Zeos) 12. Tangzu Heyday (BGGA) 13. 7Hz Dioko (Crinacle) 14. Raptgo Hook X HBB (BGGA) You get the idea. The collaboration fatigue is real when literally a new product gets announced every