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Compare speakers at true scale
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References
Front view — side by side at true scale
AFyne Audio F501SBSonus Faber Lumina III
Fyne Audio F501SvsSonus Faber Lumina III
The Fyne Audio F501S and the Sonus Faber Lumina III stand at nearly the same height, around 98.4 cm tall. On footprint the Fyne Audio F501S is the wider cabinet (25.0 cm versus 23.0 cm). At 90 dB against 89 dB, the Fyne Audio F501S is the easier load to drive and plays louder from the same amplifier. The Fyne Audio F501S reaches deeper in the bass, down to 36 Hz versus 40 Hz. Both land in a similar price bracket, around $2,179 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Fyne Audio | Sonus Faber |
| Model | Fyne Audio F501S | Sonus Faber Lumina III |
| Height | 38.7 in | 38.9 in |
| Width | 9.8 in | 9.1 in |
| Depth | 12.5 in | 10.9 in |
| Weight | 41 lb | 35.1 lb |
| Enclosure | bass-reflex-down | bass-reflex-down |
| Drivers | 1× 1 in tweeter (magnesium dome), 1× 5.9 in mid-bass (multi-fibre cone), 1× 5.9 in woofer (multi-fibre cone) | 1× 1.1 in tweeter (DAD soft dome), 1× 5.9 in midrange (paper cone), 2× 5.9 in woofer (paper cone) |
| Frequency — low | 36 Hz | 40 Hz |
| Frequency — high | 34000 Hz | 24000 Hz |
| Sensitivity | 90 dB | 89 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 30–150 W | 50–250 W |
| MAP (USD) | $2,159 / pair | $2,199 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | fyneaudio.com ↗ | sonusfaber.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.

