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.
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 DuettoBKEF LS50 Wireless II
Click either cabinet to swap A ↔ B · Reference height: 13.5 in · 1 in = 41.59 px
| A | B | |
|---|---|---|
| Manufacturer | Sonus Faber | KEF |
| Model | Sonus Faber Duetto | KEF LS50 Wireless II |
| Height | 13.5 in | 12 in |
| Width | 7.8 in | 7.9 in |
| Depth | 10.7 in | 12.2 in |
| Weight | 16.5 lb | 22 lb |
| Enclosure | bass-reflex-front | bass-reflex-rear |
| Drivers | 1× 1.1 in tweeter (silk soft dome), 1× 5.3 in mid-bass (paper cone) | 1× 1 in tweeter (MAT aluminium dome), 1× 5.1 in mid-bass (aluminium cone) |
| Frequency — low | 37 Hz | 45 Hz |
| Frequency — high | 30000 Hz | 28000 Hz |
| Sensitivity | — | — |
| Impedance | — | — |
| Recommended amp | — | — |
| MAP (USD) | $3,999 / pair | $2,999 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | sonusfaber.com ↗ | us.kef.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.