Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
This is the choice between a portable, wired audio source and a stationary, wireless smart speaker.
Pick the HiBy R3 II if you prioritize high-fidelity, wired audio playback from your own files on the go.
Pick the Sonos Era 300 if you want room-filling, multi-room smart sound for streaming services and voice control.
Ask anything — we'll answer with HiBy R3 II HiFi Music Player 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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