iFi Audio iPower2

measurements doesn’t show improvement on power supply either phone charger or lps. Some say will be just snake oil.
 
I was hearing low-level hum & a rhythmic tapping in my system recently and tracked it down to the wall adapter for my Topping D30 DAC. I looked at reviews for the iFi ps but found some that claimed their system sounded WORSE with it. Ironic that there are so many who claim the ps used on a digital audio device can't make any difference, but a bad one is easy to hear?

I haven't tried a different power source for my Wiim but I plan to soon. I have a nice 5V linear ps available now that the Wiim has replaced my old Squeezebox.
 
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