TrueSpecs
Compare technical specifications (up to 4 speakers).
HiFi Ladder
Browse every speaker side by side, ordered by size or by price.
HiFi Search
Find speakers by the specs you want.
TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
References
Front view — side by side at true scale
ASonus Faber Lumina IIIBFyne Audio F501S
| A | B | |
|---|---|---|
| Manufacturer | Sonus Faber | Fyne Audio |
| Model | Sonus Faber Lumina III | Fyne Audio F501S |
| Height | 989 mm | 984 mm |
| Width | 230 mm | 250 mm |
| Depth | 277 mm | 317 mm |
| Weight | 15.9 kg | 18.6 kg |
| Enclosure | bass-reflex-front | bass-reflex-down |
| Drivers | 1× 29 mm tweeter (DAD soft dome), 1× 150 mm midrange (paper cone), 2× 150 mm woofer (paper cone) | 1× 25 mm tweeter (magnesium dome), 1× 150 mm mid-bass (multi-fibre cone), 1× 150 mm woofer (multi-fibre cone) |
| Frequency — low | 40 Hz | 36 Hz |
| Frequency — high | 24000 Hz | 34000 Hz |
| Sensitivity | 89 dB | 90 dB |
| Impedance | 4 Ω | 8 Ω |
| Recommended amp | 50–250 W | 30–150 W |
| MAP (USD) | $2,199 / pair | $2,159 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | sonusfaber.com ↗ | fyneaudio.com ↗ |
| Product page | Open product page ↗ | Open product page ↗ |
Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.

