Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
The choice is between a dedicated audio specialist's speaker and a smart ecosystem anchor.
Pick the Audio Pro C20 if your priority is pure, unadulterated sound quality for critical listening in a single room.
Pick the Sonos Era 300 if your priority is seamless multi-room audio and smart home integration across a connected system.
Ask anything — we'll answer with C20 and Sonos Era 300 in mind for pro 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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