Judging from the review, I think that... 1) It appears to be a well made unit 2) Florida may be the senior citizen capital of the world but its not the lighting capital. Try the mountains of Africa. 3) If you live in a lighting prone area and you have your own house, you go with a whole house...
Mfr. says the amp is down 3 dB @ 150 kHz. When one gets a reading that's down 2 dB @ 20 kHz that would suggest that either the measurement was done in error, there's something wrong with the equipment, the equipment is not suitable for such measurements, or there's something wrong with the unit...
The general link to the forums section can be gotten to by clicking in the top right 'box' when you go into their site. The general discussion is found in the cables section.
Well to be fair, it wasn't a well done test and there were various shortcomings but they did remove the identity. As I see it, Secrets', or one of their members, attempted to stack the deck by using four Nordost cables vs. four generics. The idea, which calls for me to make some suppositions...