Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
This is a choice between rock-and-roll portability and modern, immersive home audio.
Pick the Marshall Kilburn II if you need a rugged, battery-powered speaker for taking your music outdoors.
Pick the Sonos Era 300 if you want a sophisticated smart speaker for room-filling, spatial audio at home.
Ask anything — we'll answer with KILBURN II 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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