On some systems, particularly Windows 11, the CX31993 may be incorrectly detected as a 16-bit device rather than 32-bit. Any link to the cx31993 datasheet?
(changing IEM eartips) or using specific headphones to balance the slightly rolled-off highs. Power Limitations: Cx31993 Datasheet Fix
The Windows USB Audio driver defaults to a very small buffer. A registry fix increases stability. On some systems, particularly Windows 11, the CX31993