@samac
I have the cover and frame for two NCF outlets and honestly I'm not sure if they really do improve things that much but I got them and installed them anyway. The receptacle is the star of the show so getting that first is my recommendation and if you ever want to tinker you can get the frame and cover later.
aniwolfe turned me on to this outfit in Canada. They do free burn in too along with a good price. Make sure to scroll the price to usd if not already.
https://www.takefiveaudio.com/products/1682-furutech-gtx-d-ncf-rhodium-duplex-receptacle
I have the cover and frame for two NCF outlets and honestly I'm not sure if they really do improve things that much but I got them and installed them anyway. The receptacle is the star of the show so getting that first is my recommendation and if you ever want to tinker you can get the frame and cover later.
aniwolfe turned me on to this outfit in Canada. They do free burn in too along with a good price. Make sure to scroll the price to usd if not already.
https://www.takefiveaudio.com/products/1682-furutech-gtx-d-ncf-rhodium-duplex-receptacle