Traduciendo paso 14
The next layer of our HomePod onion (or maybe parfait?) is the two-part power supply, composed of an inner block handling the AC/DC conversion, and an outer ring distributing power to all eight of the speakers.
The AC-in board's hefty hardware is flooded with epoxy, probably to keep the mad vibes from shaking it apart. It sends power to the ring board via conductive posts à la Mac Pro.