Fosi Audio GR40 Tube DAC Headphone Amp Preamp vs Sonos Era 300
Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
You're choosing between a dedicated audiophile component for headphones or a smart multi-room speaker for whole-home audio.
Pick the Fosi Audio GR40 if you want to elevate the detail and warmth of a personal headphone listening station.
Pick the Sonos Era 300 if you want immersive, room-filling sound that integrates seamlessly with a wireless smart home system.
- —The GR40 requires wired connections and your own headphones or speakers, while the Era 300 is a self-contained wireless unit.
- —The GR40 offers a tube-driven sound for critical listening, whereas the Era 300 prioritizes spatial audio and smart features.
- —The Era 300 works as part of a multi-room ecosystem; the GR40 is a standalone component for a single setup.
Full specs
Ask anything — we'll answer with Fosi Audio GR40 Tube DAC Headphone Amp Preamp 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.