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
KEF Q1 MetavsSonus Faber Lumina I
The KEF Q1 Meta stands 30.2 cm tall — about 2.2 cm more than the Sonus Faber Lumina I at 28.0 cm. On footprint the KEF Q1 Meta is the wider cabinet (18.0 cm versus 14.8 cm). At 86 dB against 84 dB, the KEF Q1 Meta is the easier load to drive and plays louder from the same amplifier. The KEF Q1 Meta reaches deeper in the bass, down to 51 Hz versus 65 Hz. Low frequencies come from a 130 mm cone on the KEF Q1 Meta and a 120 mm cone on the Sonus Faber Lumina I. On price, the Sonus Faber Lumina I sits higher — about $999 a pair against $749 for the KEF Q1 Meta.
| A | B | |
|---|---|---|
| Manufacturer | KEF | Sonus Faber |
| Model | Q1 Meta | Lumina I |
| HiFi ladder position | #53 of 255 bookshelf | #31 of 255 bookshelf |
| Height | 302 mm | 280 mm |
| Width | 180 mm | 148 mm |
| Depth | 277 mm | 213 mm |
| Weight | 6.1 kg | 4.4 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 25 mm tweeter (MAT aluminium dome), 1× 130 mm mid-bass (aluminium cone) | 1× 29 mm tweeter (DAD soft dome), 1× 120 mm mid-bass (paper cone) |
| Crossover frequency | 2100 Hz | 2000 Hz |
| Frequency — low | 51 Hz | 65 Hz |
| Frequency — high | 20000 Hz | 24000 Hz |
| Sensitivity | 86 dB | 84 dB |
| Impedance | 4 Ω | 4 Ω |
| Recommended amp | 10–150 W | 30–100 W |
| MAP (USD) | $749 / 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.

