TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — side by side at true scale
Click either cabinet to swap A ↔ B · Reference height: 357 mm (35.7 cm) · 1 mm = 1.57 px
KEF Q3 MetavsSonus Faber Lumina I
The KEF Q3 Meta stands 35.7 cm tall — about 7.7 cm more than the Sonus Faber Lumina I at 28.0 cm. On footprint the KEF Q3 Meta is the wider cabinet (21.0 cm versus 14.8 cm). At 87 dB against 84 dB, the KEF Q3 Meta is the easier load to drive and plays louder from the same amplifier. The KEF Q3 Meta reaches deeper in the bass, down to 49 Hz versus 65 Hz. Low frequencies come from a 165 mm cone on the KEF Q3 Meta and a 120 mm cone on the Sonus Faber Lumina I. Both land in a similar price bracket, around $999 a pair.
| A | B | |
|---|---|---|
| Manufacturer | KEF | Sonus Faber |
| Model | Q3 Meta | Lumina I |
| HiFi ladder position | #120 of 255 bookshelf | #31 of 255 bookshelf |
| Height | 357 mm | 280 mm |
| Width | 210 mm | 148 mm |
| Depth | 305 mm | 213 mm |
| Weight | 8.2 kg | 4.4 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 25 mm tweeter (MAT aluminium dome), 1× 165 mm mid-bass (aluminium cone) | 1× 29 mm tweeter (DAD soft dome), 1× 120 mm mid-bass (paper cone) |
| Crossover frequency | 2000 Hz | 2000 Hz |
| Frequency — low | 49 Hz | 65 Hz |
| Frequency — high | 20000 Hz | 24000 Hz |
| Sensitivity | 87 dB | 84 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | 15–150 W | 30–100 W |
| MAP (USD) | $999 / pair | $999 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | international.kef.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.