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Speaker A
Speaker B
References

Front view — side by side at true scale

AQuad Z-4BBowers & Wilkins 704 S3
Quad Z-4 front view
Bowers & Wilkins 704 S3 front view

Click either cabinet to swap A ↔ B · Reference height: 46.3 in · 1 in = 12.11 px

Specifications

AB
ManufacturerQuadBowers & Wilkins
ModelQuad Z-4Bowers & Wilkins 704 S3 S3
Height46.3 in38 in
Width10.5 in9.9 in
Depth13.4 in12.6 in
Weight51.8 lb45.3 lb
Enclosurebass-reflex-rearbass-reflex-rear
Drivers1× tweeter (ribbon), 1× 5.9 in midrange (glass fibre cone), 3× 6.5 in woofer (glass fibre cone)1× 1 in tweeter (Carbon Dome), 1× 5.1 in midrange (Continuum cone FST), 2× 5.1 in woofer (Aerofoil bass cone)
Frequency — low47 Hz48 Hz
Frequency — high20000 Hz28000 Hz
Sensitivity90 dB88 dB
Impedance4 Ω8 Ω
Recommended amp60–250 W30–150 W
MAP (USD)$4,499 / pair$4,500 / pair
Where to buyCheck availabilityCheck availability
Brand websitequad-hifi.co.ukbowerswilkins.com
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.