Front view — side by side at true scale
AQuad S-5BSonus Faber Lumina III
| A | B | |
|---|---|---|
| Manufacturer | Quad | Sonus Faber |
| Model | S-5 | Lumina III |
| HiFi ladder position | #110 of 281 floorstander | #47 of 281 floorstander |
| Height | 1070 mm | 989 mm |
| Width | 205 mm | 230 mm |
| Depth | 330 mm | 277 mm |
| Weight | 25.3 kg | 15.9 kg |
| Enclosure | passive-radiator | bass-reflex-down |
| Drivers | 1× tweeter (ribbon), 1× 100 mm midrange (woven Kevlar cone), 2× 165 mm woofer (woven Kevlar cone) | 1× 29 mm tweeter (DAD soft dome), 1× 150 mm midrange (paper cone), 2× 150 mm woofer (paper cone) |
| Frequency — low | 42 Hz | 40 Hz |
| Frequency — high | 23000 Hz | 24000 Hz |
| Sensitivity | 90 dB | 89 dB |
| Impedance | 6 Ω | 4 Ω |
| Recommended amp | 40–200 W | 50–250 W |
| MAP (USD) | $1,999 / pair | $2,199 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | quad-hifi.co.uk ↗ | 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.

