Control Magnifi Mini with Logitech Harmony Hub via Wi-Fi?

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I'd like to use my Harmony remote to control the Magnifi Mini via Wi-Fi since I use the Mini only as a Chromecast speaker and it's not within IR range of the Hub. I can control the Mini's volume with the Google Home app, so it should be able to be done, but when I add the Mini to my Harmony setup it only gives me an IR option. Is there any way to get it to recognize the Mini as a Wi-Fi device? Thanks!