This article explains how to connect Sonos speakers to an Alexa account.
How to Set Up Amazon Alexa with Sonos Speakers
Amazon and Sonos offer you two options to combine their platforms:
To pair an Amazon Echo with a Sonos player, you'll need:
If you’ve already set up your Sonos speaker(s), skip to the next section on Alexa. If you have a new Sonos player or system, download the Sonos app on your phone, tablet, or computer and follow the instructions to set it up. For Android, you can find the Sonos app on Google Play, the Amazon App Store, or the Apple App Store.