April 12, 2023 Alexis Herrera speakers Sonos Era 300 Review April 12, 2023 Alexis Herrera speakers So this is the Sonos Era 300, and as per the CEO… this is a new Era for music. Now without a doubt, the new Sonos Era 300 sounds great… but there’s definitely a lot that you should know about this great sounding speaker before you buy it.