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Speaker A
Speaker B
References

Front view — side by side at true scale

AQuad S-4BELAC UniFi UF52
Quad S-4 front view
ELAC UniFi UF52 front view

Click either cabinet to swap A ↔ B · Reference height: 38.6 in · 1 in = 14.51 px

Specifications

AB
ManufacturerQuadELAC
ModelQuad S-4ELAC UniFi UF52 2.0
Height34.3 in38.6 in
Width7.1 in9.1 in
Depth11.8 in10.8 in
Weight45.2 lb38.6 lb
Enclosurepassive-radiatorbass-reflex-front
Drivers1× tweeter (ribbon), 1× 3.9 in midrange (woven Kevlar cone), 2× 4.9 in woofer (woven Kevlar cone)1× 1 in tweeter (soft dome), 1× 4 in midrange (aluminium cone), 3× 5.2 in woofer (aluminium cone)
Frequency — low44 Hz42 Hz
Frequency — high23000 Hz35000 Hz
Sensitivity88 dB85 dB
Impedance6 Ω6 Ω
Recommended amp40–200 W
MAP (USD)$1,499 / pair$1,598 / pair
Where to buyCheck availabilityCheck availability
Brand websitequad-hifi.co.ukelac.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.