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ABowers & Wilkins 804 D4BELAC Concentro S 507.2
Bowers & Wilkins 804 D4 front view
ELAC Concentro S 507.2 front view

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

Bowers & Wilkins 804 D4vsELAC Concentro S 507.2

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 165 mm cone on the Bowers & Wilkins 804 D4 and a 150 mm cone on the ELAC Concentro S 507.2. 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
ManufacturerBowers & WilkinsELAC
Model804 D4 D4Concentro S 507.2 2.0
HiFi ladder position#111 of 281 floorstander#215 of 281 floorstander
Height1071 mm1220 mm
Width288 mm268 mm
Depth391 mm380 mm
Weight36.85 kg37 kg
Enclosurebass-reflex-downbass-reflex-rear
Drivers1× 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 — low24 Hz24 Hz
Frequency — high28000 Hz50000 Hz
Sensitivity89 dB88 dB
Impedance8 Ω4 Ω
Recommended amp50–200 W60–500 W
MAP (USD)$13,000 / pair$15,398 / pair
Where to buyCheck availability ↗Check availability ↗
Brand websitebowerswilkins.com ↗elac.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.