How about one of these:
http://store.acousticfrontiers.com/Environmental-Potentials-EP-2050-Whole-House-Surge-Protector.html
Seems to be an audio related surge protector.
Audioquest4life
http://store.acousticfrontiers.com/Environmental-Potentials-EP-2050-Whole-House-Surge-Protector.html
Seems to be an audio related surge protector.
Audioquest4life