Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
This is a choice between a simple, no-fuss speaker and a smart, multi-room ecosystem.
Pick the Audio Pro SP-3 if you want a straightforward speaker that just plays music without any app or smart home strings attached.
Pick the Sonos Era 300 if you want a premium speaker that integrates into a whole-home system and you're willing to manage it through an app.
Ask anything — we'll answer with SP-3 and Sonos Era 300 in mind for home use.
Pindear may earn a commission when you buy through these links. Winners are determined by numeric spec comparisons only; non-numeric features (app quality, ecosystem, real-world feel) are covered in the verdict.
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