For sale is a Sonos Connect. I tested this device as fully as I knew how to: I set it up in a Sonos account and
tested both Ethernet ports
tested Wi-Fi
played back streamed audio through the RCA, coaxial and optical ports
played back audio input via the RCA inputs
In all cases, the device functioned as expected. Please review the photos for details about the condition. Note especially the hole in the front right side of the device (which appears to have had no impact on the device's functionality). Thanks for looking!