TrueScaleAudio
Compare speakers at true scale
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Front view — side by side at true scale
Bowers & Wilkins 705 S3vsSonus Faber Lumina I
The Bowers & Wilkins 705 S3 stands 41.3 cm tall — about 13.3 cm more than the Sonus Faber Lumina I at 28.0 cm. On footprint the Bowers & Wilkins 705 S3 is the wider cabinet (19.2 cm versus 14.8 cm). At 88 dB against 84 dB, the Bowers & Wilkins 705 S3 is the easier load to drive and plays louder from the same amplifier. The Bowers & Wilkins 705 S3 reaches deeper in the bass, down to 50 Hz versus 65 Hz. Low frequencies come from a 165 mm cone on the Bowers & Wilkins 705 S3 and a 120 mm cone on the Sonus Faber Lumina I. On price, the Bowers & Wilkins 705 S3 sits higher — about $3,700 a pair against $999 for the Sonus Faber Lumina I.
| A | B | |
|---|---|---|
| Manufacturer | Bowers & Wilkins | Sonus Faber |
| Model | 705 S3 | Lumina I |
| HiFi ladder position | #180 of 255 bookshelf | #31 of 255 bookshelf |
| Height | 413 mm | 280 mm |
| Width | 192 mm | 148 mm |
| Depth | 337 mm | 213 mm |
| Weight | 9.58 kg | 4.4 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 25 mm tweeter (Carbon Dome), 1× 165 mm mid-bass (Continuum cone) | 1× 29 mm tweeter (DAD soft dome), 1× 120 mm mid-bass (paper cone) |
| Crossover frequency | — | 2000 Hz |
| Frequency — low | 50 Hz | 65 Hz |
| Frequency — high | 28000 Hz | 24000 Hz |
| Sensitivity | 88 dB | 84 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 30–120 W | 30–100 W |
| MAP (USD) | $3,700 / pair | $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.

