Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
This choice pits a Sonos ecosystem centerpiece against a potentially more specialized or independent audio option.
Pick Audio Pro SUB-3 if you prioritize raw bass output or need a dedicated subwoofer to integrate with an existing non-Sonos setup.
Pick Sonos Era 300 if seamless multi-room audio, Atmos spatial sound, and a robust smart speaker ecosystem are your professional priorities.
Ask anything — we'll answer with SUB-3 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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