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: 300 mm (30.0 cm) · 1 mm = 1.87 px
Bowers & Wilkins 707 S3vsQ Acoustics Concept 30
The Bowers & Wilkins 707 S3 stands 30.0 cm tall — about 1.6 cm more than the Q Acoustics Concept 30 at 28.4 cm. On footprint the Q Acoustics Concept 30 is the wider cabinet (18.0 cm versus 16.5 cm). At 87 dB against 84 dB, the Q Acoustics Concept 30 is the easier load to drive and plays louder from the same amplifier. The Bowers & Wilkins 707 S3 reaches deeper in the bass, down to 50 Hz versus 54 Hz. Both land in a similar price bracket, around $1,900 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Bowers & Wilkins | Q Acoustics |
| Model | 707 S3 S3 | Concept 30 |
| HiFi ladder position | #41 of 212 bookshelf | #29 of 212 bookshelf |
| Height | 300 mm | 284 mm |
| Width | 165 mm | 180 mm |
| Depth | 247 mm | 319 mm |
| Weight | 6.2 kg | 7.9 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (Carbon Dome), 1× 130 mm mid-bass (Continuum cone) | 1× 25 mm tweeter (soft dome), 1× 125 mm mid-bass (coated paper cone) |
| Frequency — low | 50 Hz | 54 Hz |
| Frequency — high | 28000 Hz | 30000 Hz |
| Sensitivity | 84 dB | 87 dB |
| Impedance | 8 Ω | 6 Ω |
| Recommended amp | 30–100 W | 25–100 W |
| MAP (USD) | $2,000 / pair | $1,799 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | bowerswilkins.com ↗ | qacoustics.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.