Using the Two Links below will introduce Power Cable and Termination for it that will surpass a usual Wall Connection, as the Wago has Pure Copper used as clamps.
My experience is that PCCCC Power has a substantial influence on SS and Digital. Valves is more subtle in discerning a difference created.
https://zenmarket.jp/en/rakutenproduct.aspx?itemCode=audio9:10000582
https://www.wago.com/us/certificates#:~:text=Not%20only%20is%20WAGO%20qualified,approved%20according%20to%20strict%20standards.