Unless you live somewhere with seriously wonky electricity (think very old apartment building, Victorian in San Francisco... you know, wired in the 1920s) you likely don't need a power conditioner.
You definitely don't need an after market power cord. Because you still have all the other wiring in your house... do you really think that 3' stock power cord is what's going to ruin your audio experience?
If anything, the appropriate strategy is wiring your house for Whole Home Surge Supression at the entry point to your home (electric panel) and using good quality UPS to plug your vital electronics into.
The UPS (Uninterruptible Power Supply) will take your gear off the main line if there is any anomaly detected, and gives you time to properly shut it off and disconnect it if necessary.
Regardless of that, your walls are simple Romex cable, not some Crystal-Aligned, Low Capacitance Audiophool BS, so how is a cable inserted into the chain going to improve things? (Hint:
IT WON'T!)
Unless you do something drastic and rewire your whole home starting with the Power Pole!
To an audiophile, there’s no such thing as ‘too expensive’ if it means an upgrade to their setup could improve their listening experience. And in Japan,
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