Front view — side by side at true scale
ABowers & Wilkins Formation DuoBSonus Faber Duetto
Click either cabinet to swap A ↔ B · Reference height: 395 mm (39.5 cm) · 1 mm = 1.42 px
| A | B | |
|---|---|---|
| Manufacturer | Bowers & Wilkins | Sonus Faber |
| Model | Formation Duo | Duetto |
| HiFi ladder position | #141 of 215 bookshelf | #89 of 215 bookshelf |
| Height | 395 mm | 342 mm |
| Width | 185 mm | 197 mm |
| Depth | 305 mm | 272 mm |
| Weight | 10.6 kg | 7.5 kg |
| Enclosure | sealed | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (Carbon Dome), 1× 165 mm mid-bass (Continuum cone) | 1× 28 mm tweeter (silk soft dome), 1× 134 mm mid-bass (paper cone) |
| Frequency — low | 25 Hz | 37 Hz |
| Frequency — high | 33000 Hz | 30000 Hz |
| Sensitivity | — | — |
| Impedance | — | — |
| Recommended amp | — | — |
| MAP (USD) | $4,000 / pair | $3,999 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | bowerswilkins.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.