High-Pitched Noise and Overdrive Issue with Z1 MK2 and Monitors

Axioma

Hi everyone,

I recently set up my Z1 MK2 with a pair of JBL 308P MkII studio monitors using RCA-to-Jack cables, but I’m encountering a very frustrating issue. There’s a constant overdrive-like noise, as if there’s a grounding problem or the cables are defective.

The noise gets worse when I lower or move the faders—it becomes a noticeable high-pitched "piiiiiiiiiiii" sound that plays through the speakers. I’ve already installed the drivers for the Z1 MK2, and I’m using ASIO in Traktor Pro 4.

This problem is making it almost impossible to enjoy mixing music. Has anyone experienced something similar or found a solution?

Any help or advice would be greatly appreciated!

Thanks in advance!

https://youtu.be/GFk27sxPCVU

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