Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
This choice pits a focused, music-first speaker against an immersive, ecosystem-integrated smart speaker.
Pick the Audio Pro C5 MkII Sand if you prioritize a dedicated, high-fidelity music experience above all else.
Pick the Sonos Era 300 if you want a voice-controlled, multiroom speaker for Dolby Atmos and a connected smart home.
Ask anything — we'll answer with C5 MkII Sand and Sonos Era 300 in mind.
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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