Surge Protectors

Thanks @goose,

The answer is "both".

I've invested a tidy sum on my system, and I feel incredibly lucky to finally be able enjoy listening without constantly thinking about tweaks or upgrades. I simply wish to protect my investment. Whether that means installing a whole house surge protector or a plug-in wall unit really doesn't matter so long as I'm not going backwards by introducing any deleterious effects. 

If the whole house option is the way to go then I'd simply buy a longer power cable to reach the outlet. I'm not using anything super exotic or expensive (AudioQuest NRG X3).

If there are added benefits to the plug-in wall option (ie. noise filtering) well that's just an added bonus, but not something I really need. 

Being a 20amp circuit I just don't know which option is the best in terms of protection and fidelity. 

Medical grade power strip with surge protector in metal casing would be more than enough. It will cost you around $50-$100. If you have dedicated line get one without filtering option.

My audio guru recommended this and I had it professionally installed.

https://ep2000.com/products/home-protection-products/premium-surge-protection-filter/?v=e75edac1b83f

Something to consider.  And no, I've not had it trigger......yet.

Whole house surge suppressor. No need for individual surge strips also protects your appliances HVAC etc.

They also dont rely on MOV"s that wear out over time. They are not very expensive installs at your breaker box.