Fosi Audio S3 Balanced HiFi Streamer vs Sonos Era 300
Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
This is a choice between a specialized audiophile component and a polished all-in-one smart speaker.
Pick the Fosi Audio S3 if you already own high-end audio gear and want to add streaming to your dedicated sound system.
Pick the Sonos Era 300 if you want a wireless speaker with immersive spatial audio and seamless smart home integration out of the box.
- —The Fosi S3 is just a streamer requiring separate amps and speakers, while the Sonos is a complete speaker.
- —The Sonos offers voice control and multi-room audio; the Fosi is a pure performance device.
- —The Fosi integrates into a custom HiFi setup; the Sonos excels as a standalone smart home hub.
Full specs
Ask anything — we'll answer with Fosi Audio S3 Balanced HiFi Streamer 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.