Hello,
I'm using a google chromecast on one of my optical inputs and I'm powering it with the RR2160's USB ports. This saves me running a power line to the wall socket and helps the system look nicer.

But when the amp is turned off and back on, the USB port doesn't get power, even if I switch source to another choice then back to the optical input. I only get power if I physically unplug the USB port and put it back in.

If this is something you could fix in a software update it would be really nice. The chromecast is a handy way to listen to music and it would be good if it powered up with the amp.
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Brian
RR 2160 - Mission 774 towers / ELAC B6.2 speakers
Chromecast Audio or Roku Soundbridge M1001 streamers