Front view — side by side at true scale
ABowers & Wilkins 804 D4BELAC Concentro S 507.2
Click either cabinet to swap A ↔ B · Reference height: 1220 mm (122.0 cm) · 1 mm = 0.46 px
| A | B | |
|---|---|---|
| Manufacturer | Bowers & Wilkins | ELAC |
| Model | 804 D4 D4 | Concentro S 507.2 2.0 |
| HiFi ladder position | #111 of 281 floorstander | #215 of 281 floorstander |
| Height | 1071 mm | 1220 mm |
| Width | 288 mm | 268 mm |
| Depth | 391 mm | 380 mm |
| Weight | 36.85 kg | 37 kg |
| Enclosure | bass-reflex-down | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (diamond dome), 1× 130 mm midrange (Continuum cone with FST surround), 2× 165 mm woofer (Aerofoil cone) | 1× tweeter (JET 6 pleated-folded ribbon), 1× 130 mm midrange (aluminium cone), 1× 180 mm midrange (aluminium AS-XR cone), 4× 150 mm woofer (aluminium AS cone) |
| Frequency — low | 24 Hz | 24 Hz |
| Frequency — high | 28000 Hz | 50000 Hz |
| Sensitivity | 89 dB | 88 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 50–200 W | 60–500 W |
| MAP (USD) | $13,000 / pair | $15,398 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | bowerswilkins.com ↗ | elac.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.