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References
Front view — side by side at true scale
ABowers & Wilkins 704 S3BQuad Z-4
Click either cabinet to swap A ↔ B · Reference height: 1175 mm (117.5 cm) · 1 mm = 0.48 px
| A | B | |
|---|---|---|
| Manufacturer | Bowers & Wilkins | Quad |
| Model | Bowers & Wilkins 704 S3 S3 | Quad Z-4 |
| Height | 964 mm | 1175 mm |
| Width | 251 mm | 267 mm |
| Depth | 321 mm | 340 mm |
| Weight | 20.53 kg | 23.5 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (Carbon Dome), 1× 130 mm midrange (Continuum cone FST), 2× 130 mm woofer (Aerofoil bass cone) | 1× tweeter (ribbon), 1× 150 mm midrange (glass fibre cone), 3× 165 mm woofer (glass fibre cone) |
| Frequency — low | 48 Hz | 47 Hz |
| Frequency — high | 28000 Hz | 20000 Hz |
| Sensitivity | 88 dB | 90 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 30–150 W | 60–250 W |
| MAP (USD) | $4,500 / pair | $4,499 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | bowerswilkins.com ↗ | quad-hifi.co.uk ↗ |
| 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.