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Compare speakers at true scale

Pick two speakers and see them side by side at their real-world size.

Speaker A
Speaker B
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References

Front view — side by side at true scale

AELAC Concentro S 507.2BBowers & Wilkins 804 D4
ELAC Concentro S 507.2 front view
Bowers & Wilkins 804 D4 front view

Click either cabinet to swap A ↔ B · Reference height: 1220 mm (122.0 cm) · 1 mm = 0.46 px

ELAC Concentro S 507.2vsBowers & Wilkins 804 D4

The ELAC Concentro S 507.2 stands 122.0 cm tall — about 14.9 cm more than the Bowers & Wilkins 804 D4 at 107.1 cm. On footprint the Bowers & Wilkins 804 D4 is the wider cabinet (28.8 cm versus 26.8 cm). At 89 dB against 88 dB, the Bowers & Wilkins 804 D4 is the easier load to drive and plays louder from the same amplifier. Low frequencies come from a 150 mm cone on the ELAC Concentro S 507.2 and a 165 mm cone on the Bowers & Wilkins 804 D4. On price, the ELAC Concentro S 507.2 sits higher — about $15,398 a pair against $13,000 for the Bowers & Wilkins 804 D4.

TrueSpecs presentation

Specifications

mm / kgin / lb
AB
ManufacturerELACBowers & Wilkins
ModelConcentro S 507.2 2.0804 D4 D4
HiFi ladder position#215 of 281 floorstander#111 of 281 floorstander
Height1220 mm1071 mm
Width268 mm288 mm
Depth380 mm391 mm
Weight37 kg36.85 kg
Enclosurebass-reflex-rearbass-reflex-down
Drivers1× 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)1× 25 mm tweeter (diamond dome), 1× 130 mm midrange (Continuum cone with FST surround), 2× 165 mm woofer (Aerofoil cone)
Frequency — low24 Hz24 Hz
Frequency — high50000 Hz28000 Hz
Sensitivity88 dB89 dB
Impedance4 Ω8 Ω
Recommended amp60–500 W50–200 W
MAP (USD)$15,398 / pair$13,000 / pair
Where to buyCheck availability ↗Check availability ↗
Brand websiteelac.com ↗bowerswilkins.com ↗
Product pageOpen 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.