TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — overlaid at true scale
Click either cabinet to swap A ↔ B · Reference height: 1049 mm (104.9 cm) · 1 mm = 0.53 px
Bowers & Wilkins 603 S3vsSonus Faber Lumina V
The Sonus Faber Lumina V stands 104.9 cm tall — about 2.9 cm more than the Bowers & Wilkins 603 S3 at 102.0 cm. On footprint the Sonus Faber Lumina V is the wider cabinet (28.1 cm versus 25.6 cm). At 90 dB against 89 dB, the Bowers & Wilkins 603 S3 is the easier load to drive and plays louder from the same amplifier. The Sonus Faber Lumina V reaches deeper in the bass, down to 38 Hz versus 46 Hz. The Bowers & Wilkins 603 S3 is rear-ported and the Sonus Faber Lumina V is down-firing ported. Both land in a similar price bracket, around $2,650 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Bowers & Wilkins | Sonus Faber |
| Model | 603 S3 S3 | Lumina V |
| HiFi ladder position | #72 of 281 floorstander | #92 of 281 floorstander |
| Height | 1020 mm | 1049 mm |
| Width | 256 mm | 281 mm |
| Depth | 402 mm | 373 mm |
| Weight | 27.5 kg | 22.5 kg |
| Enclosure | bass-reflex-rear | bass-reflex-down |
| Drivers | 1× 25 mm tweeter (Titanium Dome), 1× 150 mm midrange (Continuum cone FST), 2× 165 mm woofer (paper cone) | 1× 29 mm tweeter (DAD soft dome), 1× 150 mm midrange (paper cone), 2× 165 mm woofer (sandwich cone) |
| Frequency — low | 46 Hz | 38 Hz |
| Frequency — high | 28000 Hz | 24000 Hz |
| Sensitivity | 90 dB | 89 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 30–200 W | 50–300 W |
| MAP (USD) | $2,500 / pair | $2,799 / 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.