Fosi Audio HT4S Bluetooth Amplifier vs Sonos Era 300
Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
This choice is between a modular amplifier for a custom system and an all-in-one smart speaker for immersive sound.
Pick Fosi Audio HT4S Bluetooth Amplifier if you're building or upgrading a component-based system with your own passive speakers.
Pick Sonos Era 300 if you want a self-contained, multi-room smart speaker with premium spatial audio and voice control.
- —The Fosi is a component requiring separate speakers but offers system flexibility.
- —The Sonos is a complete, polished unit but locks you into its ecosystem.
- —The Fosi is for hands-on control; the Sonos is for seamless app and voice integration.
Full specs
Ask anything — we'll answer with Fosi Audio HT4S Bluetooth Amplifier 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.