I’ve seen this question/issue raised several times and I want to add my vote for this enhancement to the Sonos One. It is really a nuisance not being able to control the volume of the Alexa / Google Assistance separately from the volume of the music.
Control for Alexa / Google Assistance Volume Independently from Music Volume
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+17
Hi
Thanks for your suggestion. I’ve sent your comments on to our development team for consideration 
Hi! I'm also having this "problem" with my new Sonos Arc. When I watch TV I happen to turn down the volume considerably while watching and when I turn off the TV the volume remains low. In this way, when I use Google assistant, with the TV off, the volume is too low and sometimes you can't get it up directly from the soundbar because your hands are busy and I can't hear the assistant's voice. This problem makes the built-in assistant function practically useless. Is there a fix for this problem?
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