Ansuz Sortz LAN RJ45

https://ansuz-acoustics.com/

ANSUZ "SORTZ".

The effective Anti-Aerial noise reduction system for your HI-FI.

These new SORTZ from Ansuz are used in unused input/output terminals on your components.
The effect of using these new innovative SORTZ is an audible reduction of noise which primarily originates from airborne radio frequency noise.
The unused inputs/outputs act as antennas that pick up exactly this type of noise. The noise is eliminated by the use of proven Teslacoil technology and Anti-Aerial technology.
Ansuz SORTZ are available in RCA versions. BNC. XLR .USB .LAN.

link to Ansuz