You know the thing that goes into the outlet and carries 120V AC?
When I first heard of them they were about 4K. I could get an online power conditioning UPS for less.
Oh I see, they’re special cables for the inside, not just plugging into the wall, they looked like optics...interesting article on them at that link..
Big Deal...My ears were ruined by too much ELO in college...the iPod even sounds good these days...