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.
This is a choice between a portable, immersive soundstage for your room and a stationary, detailed one for your ears.
Pick the Fosi Audio GR40 if your travel setup demands a compact hub to drive high-quality headphones from your laptop.
Pick the Sonos Era 300 if you want a powerful, wireless speaker to fill a hotel room or rental with spatial audio.
- —The GR40 requires your own headphones and a source, while the Era 300 is a complete, self-contained speaker.
- —The Era 300 is a single unit for shared listening; the GR40 is a personal device for private, critical listening.
- —The GR40 is a flexible audio component; the Era 300 is a streamlined smart speaker with voice control and streaming.
Full specs
Ask anything — we'll answer with Fosi Audio GR40 Tube DAC Headphone Amp Preamp and Sonos Era 300 in mind for travel 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.