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Speaker A
Speaker B
References

Front view — overlaid at true scale

ABowers & Wilkins 704 S3BQuad Z-4
Bowers & Wilkins 704 S3 front view
Quad Z-4 front view

Click either cabinet to swap A ↔ B · Reference height: 1175 mm (117.5 cm) · 1 mm = 0.48 px

Specifications

AB
ManufacturerBowers & WilkinsQuad
ModelBowers & Wilkins 704 S3 S3Quad Z-4
Height964 mm1175 mm
Width251 mm267 mm
Depth321 mm340 mm
Weight20.53 kg23.5 kg
Enclosurebass-reflex-rearbass-reflex-rear
Drivers1× 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 — low48 Hz47 Hz
Frequency — high28000 Hz20000 Hz
Sensitivity88 dB90 dB
Impedance8 Ω4 Ω
Recommended amp30–150 W60–250 W
MAP (USD)$4,500 / pair$4,499 / pair
Where to buyCheck availabilityCheck availability
Brand websitebowerswilkins.comquad-hifi.co.uk
Product pageOpen product pageOpen product page

Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.