Does not high frequency noise travel through the isolation transformers in a ethernet connection hence the need for filters like the ones in a Etalon. I suppose they use some sort of capacitor and choke to filter out common mode noise for example.
Speakers:TAD CE-1. Amplifier: TAD M2500mk2. Digital: TAD DA1000-TX, Innuos Statement Next-gen, Innuos PhoenixNET.
Miscellaneous: Qobuz Studio, Ansuz Mainz 8 D2, Ansuz Darkz DTC, Tubulus Argentus ethernet cable, Tubulus Concentus USB cable, Tubulus Argentus V2 XLR cable, Tubulus Argentus V3 + V3 bass, iFi Nova powercables.
Second system
Qobuz Studio -> Devialet Silver Phantom, Devialet Tree
Miscellaneous: Qobuz Studio, Ansuz Mainz 8 D2, Ansuz Darkz DTC, Tubulus Argentus ethernet cable, Tubulus Concentus USB cable, Tubulus Argentus V2 XLR cable, Tubulus Argentus V3 + V3 bass, iFi Nova powercables.
Second system
Qobuz Studio -> Devialet Silver Phantom, Devialet Tree