Shunyata Research Introducing Altaira Noise Reduction Grounding Hub.

Designer Caelin Gabriel created the ALTAIRA to be the absolute state-of-the-art solution for controlling ground-plane noise in home entertainment and pro-audio systems. The ALTAIRA is a centralized grounding system that eliminates inter-component ground-loops while reducing ground-plane noise that is known to cause audible humming, buzzing and other undesirable distortions.

https://www.youtube.com/watch?v=N3tkFSrmNLQ&t=2s