Dare I mention Ted Denney invented some UEF sound control paint? Rather than being made by Synergistic the technology is to be sold under license. Just sayin'....
Unbelievable
Yamaha really made this statement:
Glossy black piano finish provides improved signal-to-noise performance
https://europe.yamaha.com/en/products/audio_visual/speaker_systems/ns-5000/index.html
I thought I would seek opportunity to hear these speakers, but now I do not think so