Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
This choice is between a classic wired speaker with analog warmth and a modern wireless smart speaker with spatial audio.
Pick the C5 MkII W Classic if you want a simple, high-fidelity speaker for a dedicated listening space and don't need smart features.
Pick the Sonos Era 300 if you want a voice-controlled, multi-room smart speaker with immersive sound for a connected home.
Ask anything — we'll answer with C5 MkII W Classic 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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