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Speaker A
Speaker B
References

Front view — side by side 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: 46.3 in · 1 in = 12.11 px

Specifications

AB
ManufacturerBowers & WilkinsQuad
ModelBowers & Wilkins 704 S3 S3Quad Z-4
Height38 in46.3 in
Width9.9 in10.5 in
Depth12.6 in13.4 in
Weight45.3 lb51.8 lb
Enclosurebass-reflex-rearbass-reflex-rear
Drivers1× 1 in tweeter (Carbon Dome), 1× 5.1 in midrange (Continuum cone FST), 2× 5.1 in woofer (Aerofoil bass cone)1× tweeter (ribbon), 1× 5.9 in midrange (glass fibre cone), 3× 6.5 in 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.