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: 15.6 in · 1 in = 36.01 px
Bowers & Wilkins Formation DuovsSonus Faber Duetto
The Bowers & Wilkins Formation Duo stands 39.5 cm tall — about 5.3 cm more than the Sonus Faber Duetto at 34.2 cm. On footprint the Sonus Faber Duetto is the wider cabinet (19.7 cm versus 18.5 cm). The Bowers & Wilkins Formation Duo reaches deeper in the bass, down to 25 Hz versus 37 Hz. Low frequencies come from a 165 mm cone on the Bowers & Wilkins Formation Duo and a 134 mm cone on the Sonus Faber Duetto. Both land in a similar price bracket, around $4,000 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Bowers & Wilkins | Sonus Faber |
| Model | Formation Duo | Duetto |
| HiFi ladder position | #141 of 215 bookshelf | #89 of 215 bookshelf |
| Height | 15.6 in | 13.5 in |
| Width | 7.3 in | 7.8 in |
| Depth | 12 in | 10.7 in |
| Weight | 23.4 lb | 16.5 lb |
| Enclosure | sealed | bass-reflex-rear |
| Drivers | 1× 1 in tweeter (Carbon Dome), 1× 6.5 in mid-bass (Continuum cone) | 1× 1.1 in tweeter (silk soft dome), 1× 5.3 in 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.