I think at this stage we all know that cd transports are all the same, and digital cables are all the same, power cords make no difference, power conditioners make no difference, speaker cables make marginal to no difference. Given the choice I would rather your valuable testing time was spent on measuring things worth measuring like speakers, headphones, etc.
I think it's disgusting that snake oil products like this exist, with all the unsubstantiated claims of improvements, and even worse that there are idiots who buy them. But 100 percent those folk are not your audience.