SUB-3 vs Sonos Era 300
Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
The VerdictAI-generated · editor-reviewed
This is a choice between a focused stereo speaker for pure music and a spatial audio hub for immersive home theater.
ASUB-3
Pick SUB-3 if you want a dedicated subwoofer to add deep bass to an existing stereo system or bookshelf speakers.
BSonos Era 300
Pick Sonos Era 300 if you want a standalone smart speaker with immersive Dolby Atmos music and seamless multi-room audio.
Trade-offs to own
- —SUB-3 is a component requiring a separate stereo, while Era 300 is an all-in-one speaker.
- —Era 300 supports voice assistants and streaming, SUB-3 is purely for wired bass extension.
- —SUB-3 excels at raw low-end power, Era 300 prioritizes spatial soundstage and smart features.
Full specs
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SUB-3
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Sonos Era 300
$479
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.